# SDR CALA2026040715148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2026
- Submitted: April 7, 2026
- Operation: Air carrier
- Aircraft: [N37561](https://openairdocs.org/aircraft/N37561), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67590
- Aircraft time: 10,071 hours, 3,378 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- 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/CALA2026040715148

## Discrepancy

RIGHT AFT EXTERIOR OVERWING LIGHT INOPERATIVE, AND LENS CRACKED.  RELAMPED WITH NEW BULB, NO HELP. HUNG NEW LIGHT MODULE ASSY, NO HELP. REMOVED DADO PANELS AT SEAT 22 DEF TO CHECK CONNECTOR D12018 AND FOUND CONNECTOR MATED IAW WDM 33-51-13,    REPLACED THE RT AFT OVERWING LIGHT BULB AND LENS IAW AMM 33-51-04-960-801, REPLACED THE RT AFT OVERWIND BATTERY PACK FUSE, IAW AMM 33-51-06-960-801, OPS CHECKED SATISFACTORY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.