# SDR ASAA2023051543229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2023
- Submitted: May 16, 2023
- Operation: Air carrier
- Aircraft: N319AS
- Make and model: Boeing 737990
- Aircraft serial: 33679
- Aircraft time: 65,432 hours, 26,333 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Discharged
- Location: Main 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/ASAA2023051543229

## Discrepancy

REF ASA TC 78233008- EMERGENCY EXIT DOME LT, FWD ESCAPE SIDE LEFT, OVERDOOR EXIT SIGN + FWD ENTRY LT MODULE DID NOT ILLUMINATE DURING EMERGENCY EXIT LT TEST. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK ON EMERGENCY LIGHT POWER SUPPLY MOD 1675, REF B737-900 AMM 33-51-06, OPS NORMAL.

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