# SDR AALA202307141203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2023
- Submitted: July 14, 2023
- Operation: Air carrier
- Aircraft: [N117AN](https://openairdocs.org/aircraft/N117AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6094
- Aircraft time: 31,071 hours, 6,406 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Computer
- Part number: 73390113
- Part serial: 733901IN01619
- Condition: Fault Message
- Location: Zone 100 - Fuse
- Part time: 28,281 hours, 11,851 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202307141203

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX. CLIMBING THRU FL200 ENGINE 2 BLEED FAULT ON ECAM DISPLAYED. WHILE FLIGHT CREW WAS PERFORMING THE ECAM PROCEDURE THEY LOST CABIN PRESSURIZATION. SINCE THE #1 ENGINE BLEED WAS PLACARDED AS INOPERATIVE THE AIRCRAFT RETURNED TO LAX WHERE IT LANDED SAFLEY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE #2 BLEED MANAGEMENT COMPUTER (AALA202307141203) AND THE #2 PYLON BLEED AIR OVERHEAT SENSING ELEMENT 1HF2. (AALA202307149385). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO BLEED MESSAGES OR CABIN PRESSURIZATION ISSUES.

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