diff --git a/33128/r18/TS33128Payloads.asn b/33128/r18/TS33128Payloads.asn
index 19515e70a8e2759085f38499438af6830d051b2e..3a58f495035570fa4611f31781f0bacf4e2afb4d 100644
--- a/33128/r18/TS33128Payloads.asn
+++ b/33128/r18/TS33128Payloads.asn
@@ -230,7 +230,10 @@ XIRIEvent ::= CHOICE
 
     -- SCEF events, see clause 7.8.6.1
     sCEFASSessionWithQoSProvision                       [137] SCEFASSessionWithQoSProvision,
-    sCEFASSessionWithQoSNotification                    [138] SCEFASSessionWithQoSNotification
+    sCEFASSessionWithQoSNotification                    [138] SCEFASSessionWithQoSNotification,
+
+    -- AMF events, see 6.2.2.3, continued from tag 132
+    aMFRANTraceReport                                   [139] AMFRANTraceReport
 }
 
 -- ==============
@@ -453,7 +456,10 @@ IRIEvent ::= CHOICE
 
     -- SCEF events, see clause 7.8.6.2
     sCEFASSessionWithQoSProvision                       [137] SCEFASSessionWithQoSProvision,
-    sCEFASSessionWithQoSNotification                    [138] SCEFASSessionWithQoSNotification
+    sCEFASSessionWithQoSNotification                    [138] SCEFASSessionWithQoSNotification,
+
+    -- AMF events, see 6.2.2.3, continued from tag 132
+    aMFRANTraceReport                                   [139] AMFRANTraceReport
 }
 
 IRITargetIdentifier ::= SEQUENCE
@@ -1433,6 +1439,22 @@ AMFUEConfigurationUpdate ::= SEQUENCE
     sMSOverNASIndicator [8] SMSOverNASIndicator OPTIONAL
 }
 
+-- See clause 6.2.2.2.10.2 for details of this structure
+AMFRANTraceReport ::= SEQUENCE
+{
+    userIdentifiers             [1] UserIdentifiers,
+    aMFUENGAPID                 [2] AMFUENGAPID,
+    rANUENGAPID                 [3] RANUENGAPID,
+    traceRecordType             [4] TraceRecordType,
+    traceDirection              [5] TraceDirection,
+    traceActivationInfo         [6] TraceActivationInfo OPTIONAL,
+    nGRANCGI                    [7] NCGI,
+    globalRANNodeID             [8] GlobalRANNodeID,
+    traceCollectionEntityInfo   [9] TraceCollectionEntityInfo OPTIONAL,
+    aMFTraceData                [10] XMLType,
+    location                    [11] Location OPTIONAL
+}
+
 -- =================
 -- 5G AMF parameters
 -- =================
@@ -1489,9 +1511,94 @@ AMFSetID ::= INTEGER (0..1023)
 
 AMFUENGAPID ::= INTEGER (0..1099511627775)
 
+AreaScopeOfMDT ::= CHOICE
+{
+    cellBased         [1] SEQUENCE (SIZE(1..MAX)) OF CellID,
+    tABased           [2] SEQUENCE (SIZE(1..MAX)) OF TAC,
+    pLMNWide          [3] PLMNID,
+    tAIBased          [4] SEQUENCE (SIZE(1..MAX)) OF TAI
+}
+
+MDTActivation ::= ENUMERATED
+{
+    immediateMDTOnly(1),
+    loggedMDTOnly(2),
+    immediateMDTandTrace(3)
+}
+
+MDTConfiguration ::= ENUMERATED
+{
+    mDTConfigurationNR(1),
+    mDTConfigurationEUTRA(2)
+}
+
+MDTConfigurationEUTRA ::= SEQUENCE
+{
+    mDTActivation                [1] MDTActivation,
+    areaScopeofMDT               [2] AreaScopeOfMDT,
+    mDTMode                      [3] MDTMode,
+    signallingBasedMDTPLMNList   [4] PLMNList
+}
+
+MDTConfigurationNR ::= SEQUENCE
+{
+    mDTActivation                 [1] MDTActivation,
+    areaScopeofMDT                [2] AreaScopeOfMDT,
+    mDTModeNR                     [3] MDTMode,
+    signallingBasedMDTPLMNList    [4] PLMNList
+}
+
+-- TS 38.413 [23], clause 9.3.1.169
+MDTMode ::= CHOICE
+{
+    immediateMDT      [1] OCTET STRING,
+    loggedMDT         [2] OCTET STRING
+}
+
 -- TS 24.501 [13], clause 9.11.3.49
 ServiceAreaList ::= OCTET STRING (SIZE(4..112))
 
+TraceActivationInfo ::= SEQUENCE
+{
+    nGRANTraceID                     [1] OCTET STRING (SIZE(8)),
+    interfacestoTrace                [2] BIT STRING (SIZE(8)),
+    traceDepth                       [3] TraceDepth,
+    traceCollectionEntityIPAddress   [4] IPAddress,
+    mDTConfiguration                 [5] MDTConfiguration OPTIONAL
+}
+
+TraceCollectionEntityInfo ::= SEQUENCE
+{
+    traceCollectionEntityIPAddress   [1] BIT STRING (SIZE(1..160, ...)),
+    traceCollectionEntityURI         [2] UTF8String
+}
+
+
+-- TS 32.422 [XX], clause 5.3
+TraceDepth ::= ENUMERATED
+{
+    minimum(1),
+    medium(2),
+    maximum(3),
+    minimumWithoutVendorSpecificExtension(4),
+    mediumWithoutVendorSpecificExtension(5),
+    maximumWithoutVendorSpecificExtension(6)
+}
+
+TraceDirection ::= ENUMERATED
+{
+    toAMF(1),
+    fromAMF(2)
+}
+
+TraceRecordType ::= ENUMERATED
+{
+    traceStart(1),
+    cellTrafficTrace(2),
+    traceDataDelivery(3),
+    traceDeactivation(4)
+}
+
 NASTransportInitialInformation ::= SEQUENCE
 {
     rANUENGAPID             [1] RANUENGAPID,