# SDR ASAA2019040929284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2019
- Submitted: May 13, 2019
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 20,997 hours, 6,838 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Failed
- Location: Cabin
- 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/ASAA2019040929284

## Discrepancy

EMERGENCY LIGHT BATTERY PACKS M1675 AND M1673 REQUIRE REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACKS M1675 AND M1673 IAW AMM 33-51-06. OPS CHECKS GOOD IAW AMM 33-51-00.

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