# SDR ASAA2015120314107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2015
- Submitted: December 7, 2015
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 30,354 hours, 9,235 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Failed
- 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/ASAA2015120314107

## Discrepancy

WHILE PERFORMING TASK CARD 78233001.  THE EMERGENCY LIGHTS NEAR SEATS 16ABC, AND 25ABC, SEATS 16 THRU 24DEF, AND THE AFT GALLEY CENTER LOWER CEILING PANEL WENT OUT BEFORE THE 15 MIN LIMIT.  AFTER A DEEP CYCLE CHARGE.  ACFT GROUNDED.  REMOVED, REPLACED, AND TESTED M1694, M1672, M1673, & M1671 POWER SUPPLY BATTERY PACKS IAW AMM 33-51-06-960-805.  TESTS PASS, OK FOR SERVICE.

---
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.