# SDR DALA2017053104389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2017
- Submitted: May 31, 2017
- Operation: Air carrier
- Aircraft: [N969DL](https://openairdocs.org/aircraft/N969DL), registered now
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53172
- Aircraft time: 69,180 hours, 51,044 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Discharged
- Location: Cabin
- 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/DALA2017053104389

## Discrepancy

CEILING EMERGENCY LIGHTS OUT AT SEATS 16, 17, 18, 19, 20, 26, 27, 28, 29, AND 30. REPLACED BATTERIES AT POWER UNITS SN-22713 AND SN-27406. REFERENCE AMM 33-53-00-401. OPS CHECK OK. PN'S ON FOUR 41B004AD07G3 BATTERIES.

---
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.