# SDR CALA2021100101749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2021
- Submitted: October 1, 2021
- Operation: Air carrier
- Aircraft: [N12221](https://openairdocs.org/aircraft/N12221), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 28930
- Aircraft time: 70,160 hours, 25,481 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Condition: None
- Location: 26def Ovhd Bin
- Stage of operation: UK
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021100101749

## Discrepancy

EMERGENCY LIGHT ON OVERHEAD BIN AT 26DEF INOP. REMOVED AND REPLACED BATTERY PACK AT M1671 IAW B737NG AMM V903976. 33-51-6, OPS CHECK GOOD. SSFR REPORT, FORM 46-0024, ENTERED BY UAL INSPECTION U354653, 09/29/2021, DATA WAS TRANSCRIBED FROM NSA EMX N/R 00147, WORK ACCOMPLISHED BY V895876, INSPECTED BY

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