# SDR CALA2026020513599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2026
- Submitted: February 5, 2026
- Operation: Air carrier
- Aircraft: [N66051](https://openairdocs.org/aircraft/N66051), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29446
- Aircraft time: 98,599 hours, 14,024 cycles
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Valve
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: CL
- 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/CALA2026020513599

## Discrepancy

NO POTABLE WATER. LAV MOTOR WORKING WITH NO WATER. WATER GAUGE SHOWS FULL. RTB EWR IF AIR IS COMING OUT FROM AFT OVERFLOW DRAIN PORT AT STA 1530, REPLACE VENT OVERFLOW VALVE  V130 REF AMM 38-11-05-004-001 EWRMM WORKING ITEM REF LOGPAGE 7804209.  INSPECTED PRESSURE RELIEF AT FWD END OF MAIN POTABLE TANK AND FOUND VALVE CLOSED AND WORKING AS REQUIRED DOES NOT REQUIRE REPLACEMENT PERFORMED IN REF WITH AMM 38-15-06-710-803 .

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