What was found
APU SURGE PERFORM ECU TEST: REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01 (ETOPS SS). WORKED DISCREPANCY ON NAC WO 116376, NR-00002.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU SURGE PERFORM ECU TEST: REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01 (ETOPS SS). WORKED DISCREPANCY ON NAC WO 116376, NR-00002.