# SDR ASAA2024031848534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2024
- Submitted: March 21, 2024
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41730
- Aircraft time: 42,009 hours, 13,349 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2024031848534

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH EMERGENCY POWER SUPPLY M2335 INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY AT M2335 IAW B737NG AMM 33-51-06-960-806, EMER LIGHT OPS CK GOOD. (S/N 101616)

---
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.