SDR USAA2014123000014

Service difficulty report · Controller · Airbus A321211

Difficulty date: December 27, 2014
Submitted: December 30, 2014
Operation: Air carrier
Aircraft: N178US
Make and model: Airbus A321211
Aircraft serial: 1519
Aircraft time: 47,052 hours, 17,462 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Part number: 2079102AB
Part serial: 154593
Condition: Inoperative
Location: Cabin Pressure
Part time: 47,048 hours, 17,459 cycles
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

CABIN PRESS, EXCESSIVE ALTITUDE WARNING AT CRUISE, ECAM CABIN PRESS PAGE SHOWED CABIN AT 5200 FT WHILE CRUISING AT FL 320, CABIN PRESS FLUCTUATIONS ON DESCENT. DIVERTED & EMER DECLARED. TROUBLE SHOT IAW TROUBLESHOOTING MANUAL 21-31-00-810-809A, EXCESSIVE CABIN ALTITUDE. REPLACED NR 1 CABIN PRESS CONTROLLER IAW AMM 21-31-34. BITE CHECKED GOOD. WORKED IN CONJUNCTION WITH SDR 2014123000015.

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