# SDR AALA201904264012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2019
- Submitted: April 26, 2019
- Operation: Air carrier
- Aircraft: [N750AN](https://openairdocs.org/aircraft/N750AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30259
- Aircraft time: 73,152 hours, 9,131 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 50862
- Condition: Inoperative
- 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/AALA201904264012

## Discrepancy

AIRCRAFT IN BASE VISIT: MAINTENANCE REPORTS DOOR 3L AFT EMERGENCY LIGHT POWER SUPPLY ASSY M33405 FAILED TEST. REMOVED & REPLACED EMERGENCY SUPPLY M33405. OPS CHECK GOOD IAW AMM 33-51-06.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.