# SDR SWAA2025082291684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2025
- Submitted: August 22, 2025
- Operation: Air carrier
- Aircraft: [N7843A](https://openairdocs.org/aircraft/N7843A), registered now
- Make and model: Boeing 737752
- Aircraft serial: 35786
- Aircraft time: 59,381 hours, 32,137 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025082291684

## Discrepancy

INOP EMERGENCY POWER SUPPLY AND BATTERY M1668 POSITION AT PASSENGER CABIN 2025-448068<[01] REPLACED EMERGENCY EXIT LIGHT POWER SUPPLY-POWER SUPPLY AND EMERGENCY EXIT LIGHT POWER SUPPLY-BATTERY PACK M1668 AT MID CABIN LT SIDE I.A.W 33-51-06-960-806-NG AND 33-51-06-960-805-NG. PERFORMED TEST IS OK. SEE INDIVIDUAL SIGN OFF BELOW.;[02] CORRECTED STEP 1.<BR>REPLACED EMERGENCY EXIT LIGHT POWER SUPPLY-POWER SUPPLY AND EMERGENCY EXIT LIGHT POWER SUPPLY-BATTERY PACK M1668 AT MID CABIN LT SIDE I.A.W B737-700 AMM 33-51-06-960-806-NG AND B737-700 AMM 33-51-06-960-805-NG. PERFORMED TEST IS OK. SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED EMERGENCY EXIT LIGHT POWER SUPPLY-POWER SUPPLY AND EMERGENCY EXIT LIGHT POWER SUPPLY-BATTERY PACK M1668 AT MID CABIN LT SIDE I.A.W B737-700 AMM 33-51-06-960-806-NG AND B737-700 AMM 33-51-06-960-805-NG. PERFORMED TEST IS OK. SEE INDIVIDUAL SIGN OFF BELOW.

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