# SDR ASAA2026101269227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2026
- Submitted: October 15, 2026
- Operation: Air carrier
- Aircraft: [N915AK](https://openairdocs.org/aircraft/N915AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44080
- Aircraft time: 19,405 hours, 5,843 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: No Test
- Location: Zone 200
- 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/ASAA2026101269227

## Discrepancy

BATTERY PACK M2816 FAILS OPERATIONAL TEST. GROUNDED - YES. DISPLACED FORWARD GALLEY CEILING DROP DOWN PANEL IAW B737 MAX AMM 25-21-71. DISPLACED FORWARD GALLEY LOWER CEILING COVE PANEL IAW B737 MAX AMM 25-21-71. REMOVED EMERGENCY LIGHTS POWER SUPPLY M2816 S/N 169589 IAW B737 MAX AMM 33-51-06. INSTALLED EMERGENCY LIGHTS POWER SUPPLY IAW B737 MAX AMM 33-51-06. EMERGENCY LIGHTS POWER SUPPLY M2816 OPERATIONAL TEST CHECKS GOOD IAW B737 MAX AMM 33-51-06. CLOSED FORWARD GALLEY LOWER CEILING COVE PANEL IAW B737 MAX AMM 25-21-71. CLOSED FORWARD GALLEY DROP DOWN CEILING PANEL IAW B737 MAX AMM 25-21-71.

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