SDR YENA2025082800894

Service difficulty report · Control Valve · Airbus A321271NX

Difficulty date: August 25, 2025
Submitted: August 28, 2025
Operation: Air carrier
Aircraft: N4076J
Make and model: Airbus A321271NX
Aircraft serial: 11513
Aircraft time: 7,931 hours, 1,180 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Control Valve
Part number: 32914322
Part serial: 5792
Condition: Failed
Location: Apu
Part time: 6,723 hours, 5,408 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.

What was found

FLT#33, BOS-CDG. (ETOPS) APU MAINTENANCE MESSAGE ( CLASS II MAINTENANCE MESSAGES DISPLAYED ); PERFORMED REMOVAL AND REPLACEMENT OF APU LOAD CONTROL VALVE PER AMM 49-51-51. OPS CHECK GOOD NO FAULTS APPEAR ON ECAM, NO LEAKS NOTED. AIRCRAFT SYSTEM RESPONDS NORMAL.

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