# SDR CALA2023120403536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2023
- Submitted: December 4, 2023
- Operation: Air carrier
- Aircraft: [N69838](https://openairdocs.org/aircraft/N69838), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 60121
- Aircraft time: 27,164 hours, 9,792 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD07901100
- Condition: Inoperative
- Location: M1672
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023120403536

## Discrepancy

BATTERY POWER SUPPLY M1672 LOCATED ON AFT LOWERED CEILING PANEL FAILS OPS CHECK. TRANSCRIBED FROM HAECO N/R 9280211 REMOVED AND REPLACED BATTERY PACK M1672 LOCATED ON AFT LOWERED C EILING PANEL IAW BOEING 737NG AMM 33-51-06. OP CHECKS GOOD HAECO MECH:V895816 INSP QC452

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