# SDR CALA2022011000071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2022
- Submitted: January 10, 2022
- Operation: Air carrier
- Aircraft: [N33292](https://openairdocs.org/aircraft/N33292), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 33455
- Aircraft time: 51,176 hours, 18,088 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 156356
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022011000071

## Discrepancy

LH SEATS 7-21 EPL EXTINGUISHES PRIOR TO 15 MINUTE MINIMUM REQUIR ED FOR CAPACITY CHECK (REF. AAR NR 99916669). REMOVED & REPLACED POWER SUPPLY BATTERY PACK M1676 IAW 737 AMM 3 3-51-06-960-805 & WDM 33-51-21; OPS CR NEEDED AFTER INTERIOR LIG HT INSTALLED AND OPS TEST GOOD IAW B737 AMM 33-51-06-960-805 FOR LH SEATS 7-21 (WORK ACCOMPLISHED BY V934915 & AAR QC V936245).

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