# SDR UIEA2025072401014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2025
- Submitted: July 28, 2025
- Operation: Air carrier
- Aircraft: [N481MC](https://openairdocs.org/aircraft/N481MC), registered now
- Make and model: Boeing 747443
- Aircraft serial: 32339
- Aircraft time: 90,518 hours, 11,792 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Part number: 3071BPEGPL
- 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/UIEA2025072401014

## Discrepancy

L2 DOOR EMERGENCY EXIT SIGN HAS MULTIPLE INOPS LIGHTS.  REPLACED MULTIPLE LAMPS FOR THE L2 DOOR EXIT SIGN IAW B747-400 AMM 33-51-12-962-170. TEST 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.