# SDR QXEA2019050600208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2019
- Submitted: May 6, 2019
- Operation: Air carrier
- Aircraft: N412QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4059
- Aircraft time: 41,116 hours, 43,047 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 6138001
- Condition: Inoperative
- 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/QXEA2019050600208

## Discrepancy

WHILE PERFORMING MTC 335000202-60045: OPERATIONAL CHECK OF THE EMERGENCY LIGHT SYSTEM, FOUND LT 3 AND RT 3 EMERGENCY BATTERY PACK INOP. REMOVED AND REPLACED EPSU BATTERY PACKS FOR LT 3 AND RT 3 REF AMM 33-51-00-820-801. OPERATIONAL TEST GOOD. NO FURTHER DEFECTS NOTED.

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