# SDR CALA2022011000092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2022
- Submitted: January 10, 2022
- Operation: Air carrier
- Aircraft: [N75428](https://openairdocs.org/aircraft/N75428), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 31633
- Aircraft time: 41,921 hours, 14,606 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery
- Part number: NA
- Condition: Inoperative
- Location: Overwing Ee Ligh
- 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/CALA2022011000092

## Discrepancy

(B737-33-3-0232) LEFT OVERWING EMERGENCY EXIT LITES FAIL CAPACIT Y TEST REMOVED AND REPLACED EMERGENCY BATTERY PACK (M1694)IAW AMM 33-51 INSP BY AQC009 -06-960-805. SYSTEM CHECKS GOOD IAW AMM 33-51-06-960-805 PARA E STEP (6). P/N 0717-01-100, S/N 422207. DATA WAS TRANSCRIBED FROM PAPER DOC AERSALE WO 3497 NR 21038 WORK ACP BY MECH V93118

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