What was found
FLT#1926, LGW-BOS. (ETOPS) 'APU CLASS II MSG ( CLASS II MAINTENANCE MESSAGES DISPLAYED ); REMOVED AND REPLACED APU LOAD CONTROL VALVE IAW 49-51-51. OPS CHECKS GOOD. NO DEFECT NOTED.THIS CLEARS MDDR 560307.MX-4 UPDATED PLACARD REMOVED.
- Difficulty date
- September 15, 2024
- Submitted
- September 17, 2024
- Operation
- Air carrier
- Aircraft
- N2157J
- Make and model
- Airbus A321271N
- Aircraft serial
- 11397
- Aircraft time
- 4,116 hours, 721 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Control Valve
- Part number
- 32914322
- Part serial
- 3152
- Condition
- Faulted
- Location
- Zone 100
- Part time
- 8,996 hours, 9,395 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.