Service difficulty report · Computer · Airbus A319131

Difficulty date
May 27, 2024
Submitted
May 29, 2024
Operation
Air carrier
Aircraft
N822UA
Make and model
Airbus A319131
Aircraft serial
948
Aircraft time
77,533 hours, 33,700 cycles
Part
Computer
Part number
9615325060
Part serial
2036
Condition
Malfunctioned
Location
Air Data
Part time
792,239 hours, 737,790 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

ON TAKEOFF ROLL CA AIRDATA LOST UPDATED MANHOURS REQUIRED. CONTINUED WITH TSM 31-63-82-810-801-A. STILL HAVE ADC 1 BUS FULT IN I/P TEST. REMOVED AND REPLACED ADIRU 1 REF AMM 34-12-34-000-001-A/34-12-34-400-001-A. INSTALLATION TESTS PASSED. STILL MISSING AIR DATA ON CAPT SIDE. SWAPPED DMC 1 AND UPDATE FOR PARTS TRANSACTION. FAULT DID NOT PERSIST ON CAPT OR F/O SIDE. RETURNED DMC 1 AND 2 TO ORIGINAL POSITIONS. SUSPECT DMC 1 INSTALLED IS BAD FROM STOCK. DMC S/N 2036 WAS PREVIOUSLY REMOVED FOR DMC FAULT ON UPPER ECAM. DMC NIS DEN. REPLACED DMC WITH P/N 9615325060. REF AMM 31-63-34-400-001-A. AND IPC 31-62-08-02. OP CHECK GOOD. ACCOMPLISHED AUTOLAND TEST CHECKS GOOD.

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