# SDR SWAA2021062872101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2021
- Submitted: June 28, 2021
- Operation: Air carrier
- Aircraft: [N207WN](https://openairdocs.org/aircraft/N207WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34012
- Aircraft time: 52,378 hours, 31,227 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/SWAA2021062872101

## Discrepancy

M1669 FAILS CAPACITY CHECK. ; EMERGENCY LIGHT BATTERY PACK M1669 FAILS CAPACITY CHECK. / [01] REMOVED AND REPLACE THE BATTERY CHARGER ASSY AT M1669 PER AMM 33-51-06-960-806 STEP 5 - 5.E(3)(F); [02] VERIFIED REPLACEMENT OF BATTERY CHARGER ASSY PER AMM 33-51-06-960-806; [03] PERFORMED A GOOD TEST OF M1669 PER AMM 33-51-06-960-806 STEP 5. E. (4.); [04] VERIFIED; PERFORMED A GOOD TEST OF M1669 PER AMM 33-51-06-960-806 STEP 5. E. (4.)

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