# SDR AALA202506028362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2025
- Submitted: June 2, 2025
- Operation: Air carrier
- Aircraft: [N857NN](https://openairdocs.org/aircraft/N857NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30907
- Aircraft time: 43,627 hours, 18,592 cycles
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Water Heater
- Part number: AR904211
- Condition: Shorted
- Location: Zone 900
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202506028362

## Discrepancy

AIRCRAFT WAS GROUNDED: BURNING SMELL IN FORWARD LAVATORY, VISIBLE SMOKE AND ELECTRICAL SMELL CONFIRMED ON FORWARD LAVATORY. REMOVED AND REPLACED LAVATORY-A WATER HEATER. PER AMM 38-13-01.

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