# SDR ASAA2025071059342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2025
- Submitted: July 11, 2025
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 43,219 hours, 13,446 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Circuit Breaker
- Part number: BACC18Z1R
- Condition: Broken
- Location: Zone 200
- 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/ASAA2025071059342

## Discrepancy

DURING ETF C/B CHECK FOUND P6-11 CABIN EMERG LIGHT BREAKER BROKEN. GROUNDED - YES. REMOVED AND REPLACED P6-11 EMERGENCY LIGHTS C/B REF WDM 33-51-11-4. C/B WIRED TO AFT FA EMERG PUSH BUTTON. OPS CHECK GOOD. AMM 33-51-00.

---
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.