# SDR SWAA2023072180636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2023
- Submitted: July 21, 2023
- Operation: Air carrier
- Aircraft: [N8701Q](https://openairdocs.org/aircraft/N8701Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42554
- Aircraft time: 10,647 hours, 5,199 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023072180636

## Discrepancy

L/H FWD OVERWING AND 02 FWD LEFT EMERGENCY ISLE LIGHT INOP<[01] RELAMP NO HELP; SWAPPED POWER SUPPLY M1694 AND M1695 PROBLEM DID NOT FOLLOW REF WDM 33-51-13-1. MORE T/S REQ;[02] R&R BATTERY PACK AT LOCATION M2335; OPS CHECK GOOD. REF AMM 33-51-06.

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