What was found
INFLIGHT COLD SOAKED APU START UNSUCCESSFUL 3 ATTEMPTS AT FL370. REMOVED AND REPLACED PRIMER VALVE PER AMM. OPS CK GOOD MCC NOTIFIED TO SET UP IN FLT START ATTEMPT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INFLIGHT COLD SOAKED APU START UNSUCCESSFUL 3 ATTEMPTS AT FL370. REMOVED AND REPLACED PRIMER VALVE PER AMM. OPS CK GOOD MCC NOTIFIED TO SET UP IN FLT START ATTEMPT.