# SDR SWAA2022052309264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2022
- Submitted: May 23, 2022
- Operation: Air carrier
- Aircraft: [N474WN](https://openairdocs.org/aircraft/N474WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33861
- Aircraft time: 59,626 hours, 35,442 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: M1670
- Condition: Failed
- Location: Pax Cabin
- 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/SWAA2022052309264

## Discrepancy

DONT PASS OPERATIONAL TEST EMERGENCY LIGHTS SYSTEM AT PASSENGER CABIN 2022-259514 / [01] REPLACED EMERGENCY EXIT LIGHT BATTERY PACKS (M1670 AND M1673) COVERED ON TTG8Q00CJXHM AND TTG8Q00CJY9E TEST IS OK IAW AMM 33-51-06-960-806.;[02] CORRECTED STEP 1.<BR>REPLACED EMERGENCY EXIT LIGHT BATTERY PACKS (M1670 AND M1673) AND PERFORMED OPERATIONAL TEST EMERGENCY LIGHT SYSTEM AND TEST IS OK IAW AMM 33-51-06-960-806. THE INSTALLATION IS DOCUMENTED ON TTG8Q00CJXHM AND TTG8Q00CJY9E.;[03] REPLACED EMERGENCY EXIT LIGHT BATTERY PACKS (M1670 AND M1673) AND PERFORMED OPERATIONAL TEST EMERGENCY LIGHT SYSTEM AND TEST IS OK IAW AMM 33-51-06-960-806. THE INSTALLATION IS DOCUMENTED ON TTG8Q00CJXHM AND TTG8Q00CJY9E.

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