# SDR CALA2022011000069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2022
- Submitted: January 10, 2022
- Operation: Air carrier
- Aircraft: [N75428](https://openairdocs.org/aircraft/N75428), registered now
- Make and model: Boeing 737900
- Aircraft serial: 31633
- Aircraft time: 41,921 hours, 14,606 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: 071701100
- Part serial: 158912
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022011000069

## Discrepancy

AFT LEFT ENTRY EMERGENCY EXIT LIGHTS FAIL CAPACITY CHECK EXT AFT ER APPROX 10 MIN B737-33-3-0232 REMOVED AND REPLACED ENERGENCY BATTERY PACK M1673 PN AD-D717-01- 100 SN 158912 IAW AMM 33-51-06-960-805 SYSTEM CHECKS GOOD IAW AM M 33-51-06-960-805 PARA E STEP 6. DATA WAS TRANS FROM PAPER DOC AERSALE WO 21037 OPS 21037 ACCP BY V931118 INSP AQC009 ON 03JAN.

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