# SDR CHQA20120515160

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2012
- Submitted: May 18, 2012
- Operation: Air carrier
- Aircraft: N374SK
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145544
- Aircraft time: 27,217 hours, 22,884 cycles
- Engine: Allsn AE3007A
- Engine time: 17,717 hours, 16,661 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: RPS1B
- Part serial: 16052
- Condition: Discharged
- Location: Cabin
- Part time: 26,481 hours, 21,553 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CHQA20120515160

## Discrepancy

MAINTENANCE REPORTED THAT THE EMERGENCY LIGHTS WILL ONLY OPERATE FOR A FEW SECONDS AND THEN BECOME INOPERATIVE.  MAINTENANCE REPLACED ALL FOUR EMERGENCY LIGHT BATTERIES.  OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.

---
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.