# SDR AALA202408273769

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2024
- Submitted: August 27, 2024
- Operation: Air carrier
- Aircraft: [N979AN](https://openairdocs.org/aircraft/N979AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29568
- Aircraft time: 45,123 hours, 18,925 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: B21506
- Condition: Blown
- 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/AALA202408273769

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: DURING OPERATIONAL CHECK OF EMERGENCY LIGHTS. NOTICED THAT LEFT WING FORWARD OVERWING LIGHT AND ROWS 15 TO 25 ISLE LIGHTS WERE INOPERATIVE. TROUBLESHOT SYSTEM AND ISOLATED FUSES WERE BURNED OUT INTERNALLY. REMOVED AND REPLACED 5 EACH FUSES (AALA202408273769), (AALA202408276632), (AALA202408274870), (AALA202408273425), (AALA202408270383). OPERTIONAL CHECK GOOD.

---
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.