# SDR 2025F00278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2025
- Submitted: December 1, 2025
- Operation: General aviation
- Aircraft: N663FL
- Make and model: Boeing 737-4Q8
- Registry model: [Boeing 737-4Q8](https://openairdocs.org/model/boeing-737-4q8) (OpenAirDocs)
- Aircraft serial: 25163
- Aircraft time: 70,549 hours, 42,625 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Warning Light
- Location: Zone 100
- Part time: 1,676 hours, 1,539 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025F00278

## Discrepancy

PACK LIGHT ILLUMINATED LEFT SIDE  IAW AMM 21-61-83 PAGE 405 NR 4 ITEM B BITE INSTRUCTIONS TEST SATISFACTORILY.

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