# SDR CALA2022020700339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2022
- Submitted: February 7, 2022
- Operation: Air carrier
- Aircraft: [N77431](https://openairdocs.org/aircraft/N77431), registered now
- Make and model: Boeing 737900
- Aircraft serial: 32833
- Aircraft time: 42,381 hours, 14,700 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Light
- Part number: NA
- Condition: Fault Message
- Location: 1 And 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022020700339

## Discrepancy

BOTH PACK LIGHTS ILLUM MID CRUISE AT FL330 PERFORMED OPERATIONAL CHECK OF AIR CONDITION PACK SYSTEM REF AMM 21-00-00-800-803, NO FAULTS FOUND. PER LP 7939006 BOTH PACK LIGHTS ILLUM MID CRUISE AT FL330 PERFORMED OPERATIONAL CHECK OF AIR CONDITION PACK SYSTEM REF AMM 21-00-00-800-803, NO FAULTS FOUND..

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