# SDR CALA2023022400547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2023
- Submitted: February 24, 2023
- Operation: Air carrier
- Aircraft: [N796UA](https://openairdocs.org/aircraft/N796UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26931
- Aircraft time: 100,133 hours, 13,372 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Acm
- Part number: 8102099
- Condition: Failed
- Location: Lh Pack
- Stage of operation: UK
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023022400547

## Discrepancy

ALL CREW REST SMOKE DET WENT OFF DUE TO PACKS . L/H ACM SEIZED, FAILED TORQUE CHECK, REF FIM 21-52 TASK 818.REMOVED ACM L PER AMM 21-52-02 COMPLETED INSTALLATION OF ACM IN REF TO AMM 21-52-02-400-801 UP TO ITEM J, ACM INSTALLATION TEST PASSED AND CONDENSER TEST ACCEPTABLE

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