# SDR ASAA2026062867053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 63,599 hours, 19,697 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026062867053

## Discrepancy

REF TASK CARD 78233001 FOUND LH AFT EMERGENCY LIGHTS DID NOT PASS TEST. GROUNDED - YES. REMOVED AND REPLACED AFT LT EMERGENCY BATTERY M1672 REF AMM 33-51-06, NEW BATTERY PASSED TEST.

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