# SDR AALA202410028839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2024
- Submitted: October 2, 2024
- Operation: Air carrier
- Aircraft: [N809AA](https://openairdocs.org/aircraft/N809AA), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40627
- Aircraft time: 32,756 hours, 4,443 cycles
- System (JASC): [3800 · Water and Waste System](https://openairdocs.org/jasc/3800)
- Part: Software
- Condition: Faulty
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202410028839

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AIRCRAFT HAD MEL 38-01D FOR WATER QTY INOP. AIRCRAFT WATER WAS TOP OFF AT DEPARTING STATION. DURING CRUISE ALL WATER STOPPED WORKING. FLIGHT WAS DIVERTED TO LHR. MAINTENANCE SUSPECTS FAULTY SOFTWARE:   MAINTENANCE RELOADED SOFTWARE IN GPM R1 AND/OR R6.LSAPS 38 WW VLV OPS & 38 WW OPS RELOADED TO GPM R1.38 WW VLV OPS RELOADED TO GPM R6 REF AMM 42-21-02-00A-750A-A. FOLLOWED FOR TWO WEEKS WITH NO FURTHER FAULT.

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