SDR HALA2022112800302

Service difficulty report · Pressure Switch · Airbus A321271N

Difficulty date: November 27, 2022
Submitted: November 29, 2022
Operation: Air carrier
Aircraft: N205HA
Make and model: Airbus A321271N
Aircraft serial: 8092
Aircraft time: 12,302 hours, 2,711 cycles
System (JASC): 4990 · APU Oil System
Part: Pressure Switch
Condition: Faulted
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ETOPS- APU AUTOSHUTDOWN APPROX 5 MINUTES AFTER REACHING THE GATE. USING TSM 49-00-81-810-849-A, FOUND OIL PRESSURE SWITCH FAULTING. REMOVED AND REPLACED 8070KM & 8071KM PER AMM 49-91-14, AND CHANGED FILTER ELEMENTS PER AMM 49-91-41. OPS AND LEAK CHECKS, BOTH WERE GOOD.

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