diff --git a/packages/beacon-node/src/api/impl/validator/index.ts b/packages/beacon-node/src/api/impl/validator/index.ts
index 21917ca74115..3af2e408d2b5 100644
--- a/packages/beacon-node/src/api/impl/validator/index.ts
+++ b/packages/beacon-node/src/api/impl/validator/index.ts
@@ -1123,11 +1123,24 @@ export function getValidatorApi(
       // into the slot. Use the envelope's own arrival time (getPayloadEnvelopeSource), not
       // the input's creation time.
       const payloadDueSec = config.getPayloadDueMs() / 1000;
-      const payloadPresent =
-        payloadInput?.hasPayloadEnvelope() === true &&
-        chain.clock.secFromSlot(slot, payloadInput.getPayloadEnvelopeSource().seenTimestampSec) < payloadDueSec;
+      const payloadSeenSec =
+        payloadInput?.hasPayloadEnvelope() === true
+          ? chain.clock.secFromSlot(slot, payloadInput.getPayloadEnvelopeSource().seenTimestampSec)
+          : null;
+      const payloadPresent = payloadSeenSec !== null && payloadSeenSec < payloadDueSec;
       const blobDataAvailable = payloadInput?.hasAllData() === true;
 
+      logger.debug("Produced payload attestation data", {
+        slot,
+        blockRoot: block.blockRoot,
+        blockSlot: block.slot,
+        payloadPresent,
+        blobDataAvailable,
+        hasPayloadInput: payloadInput !== undefined,
+        payloadSeenSec,
+        payloadDueSec,
+      });
+
       return {
         data: {
           beaconBlockRoot: fromHex(block.blockRoot),
diff --git a/packages/validator/src/services/ptc.ts b/packages/validator/src/services/ptc.ts
index e6b539cbb1b9..9350966694a6 100644
--- a/packages/validator/src/services/ptc.ts
+++ b/packages/validator/src/services/ptc.ts
@@ -128,6 +128,8 @@ export class PtcService {
         this.logger.info("Published payload attestation messages", {
           slot,
           beaconBlockRoot: prettyBytes(beaconBlockRootHex),
+          payloadPresent: payloadAttestationData.payloadPresent,
+          blobDataAvailable: payloadAttestationData.blobDataAvailable,
           count: payloadAttestationMessages.length,
         });
         this.metrics?.publishedPayloadAttestations.inc(payloadAttestationMessages.length);