# SDR AALA202309193928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2023
- Submitted: September 19, 2023
- Operation: Air carrier
- Aircraft: [N776AN](https://openairdocs.org/aircraft/N776AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29582
- Aircraft time: 94,428 hours, 11,810 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Float Valve
- Part number: 2790481102
- Condition: Unserviceable
- Location: Zone 600
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202309193928

## Discrepancy

AIRCRAFT WAS GROUNDED: UNWANTED FUEL TRANSFER IN FLIGHT FROM THE RIGHT MAIN TO THE CENTER TANK. REMOVED AND REPLACED THE RIGHT WING VENT FLOAT VALVE IAW AMM 28-13-01.

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