As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - APU WILL NOT SHUT DOWN WITH APU MASTER SWITCH // REMOVED AND REPLACED RELAYS (FIN:5KD AND 34KD). PER: ESPM 20-46-50. REMOVED AND REPLACED APU MASTER PUSH BUTTON(FIN:14KD) PER ESPM 20-56-53. 03/04/2022 #2438457 OPS CHECK PENDING. OPS CHK APU PER AMM 49-00-00-860-801-A. OPS CHK GOOD. BITE APU PER AMM 49-00-00-740-801-4. NO FAULTS NOTED. OK FOR SVC