# SDR SIMA20120516008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2012
- Submitted: May 17, 2012
- Operation: Air carrier
- Aircraft: [N831AE](https://openairdocs.org/aircraft/N831AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145616
- Aircraft time: 24,660 hours, 20,808 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 68423
- 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/SIMA20120516008

## Discrepancy

DURING B INSPECTION FOUND BOTH AFT WING EXT EMERGENCY LIGHTS INOPERABLE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REPLACED OVERWING EMERGENCY LIGHT BULB IAW EMB MM 33-50-07.  PART NUMBER 1317.  DID NOT FIX.   REPLACED NR 4 EMERGENCY BATTERY AND POWER SUPPLY IAW EMB MM 33-50-04.  THE OPERATIONAL CHECK WAS GOOD IAW EMB MM 33-50-00.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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