# SDR I5EA2024032700012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2024
- Submitted: March 27, 2024
- Operation: Air carrier
- Aircraft: N458UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 25022
- Aircraft time: 56,179 hours, 40,630 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131ASM1
- Part serial: 11728
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5EA2024032700012

## Discrepancy

EMERGENCY LIGHT INOP AT STA 639L BULLNOSE.  REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1136 AT STA. 753L IAW B737-400 AMM 33-51-51. TEST OK.

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