What was found
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.
- Difficulty date
- September 14, 2023
- Submitted
- September 19, 2023
- Operation
- Air carrier
- Aircraft
- N776AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29582
- Aircraft time
- 94,428 hours, 11,810 cycles
- System (JASC)
- 2810 · Fuel Storage
- 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
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.