# SDR SCNA20260904379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2026
- Submitted: September 4, 2026
- Operation: Air carrier
- Aircraft: [N838SY](https://openairdocs.org/aircraft/N838SY), registered now
- Make and model: Boeing 737-86N
- Registry model: [Boeing 737-86N](https://openairdocs.org/model/boeing-737-86n) (OpenAirDocs)
- Aircraft serial: 32733
- Aircraft time: 70,351 hours, 25,640 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/SCNA20260904379

## Discrepancy

THREE EMERGENCY EXIT LIGHT BATTERY PACKS REQUIRE REPLACEMENT. LOCATIONS: ROW 13-14 ABC, 20-21 ABC, AFT GALLEY CEILING LEFT SIDE.  R & R ALL THREE BATTERY PACKS, ROW13 - 14ABC OPS CHECK FAILED. 20-21ABC OPS CHECK GOOD.  AFT GALLEY CEILING LEFT SIDE OPS CHECK GOOD. IAW AMM 33-51-06. R & R POWER SUPPLY REPLACEMENT FOR ROW 13 - 14ABC, STILL FAILED OPS CHECK. IAW AMM 33-51-06.  REPLACED THE LAMPS FWD LT OVERWING EXIT EMERGENCY LIGHT, OPS CHKD GOOD IAW AMM 33-51-04.

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