What was found
FLT#133, BOS-SFO. '(ETOPS) 'APU AUTO SHUTDOWN WELL AFTER 15 MIN CSS TEST; DEOILER SOLENOID REPLACED IN BOS GROUND OPS CKS GOOD- PER MCC THIS CLOSES MDDR MCC NOTIFIED MX4 UPDATED PLACED REMOVED.'
- Difficulty date
- January 21, 2025
- Submitted
- January 22, 2025
- Operation
- Air carrier
- Aircraft
- N2142J
- Make and model
- Airbus A321271NX
- Aircraft serial
- 10254
- Aircraft time
- 13,319 hours, 2,484 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Solenoid Valve
- Part number
- 41410283
- Part serial
- MFR952733820
- Condition
- Failed
- Location
- Zone 100
- Part time
- 4,841 hours, 4,372 cycles
- Stage of operation
- TX
- 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.