# SDR P5CA0200663

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2002
- Submitted: March 14, 2002
- Operation: Air carrier
- Aircraft: N852FT
- Make and model: Boeing 747122
- Aircraft serial: 19757
- Aircraft time: 21,589 hours, 87,219 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Valve
- Part number: 408841
- Condition: Binding
- Location: Reserve Tank
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0200663

## Discrepancy

DURING REFUELING, NR 1 RESERVE VALVE FAILED TO OPEN AND UNABLE TO PUT FUEL INTO NR 1 RESERVE TANK.  FOUND EXCESSIVE SHAFT BINDING THAT WOULD ONLY ALLOW PARTIAL OPENING OF THE VALVE.  FUELED TANK, MANUALLY CLOSED VALVE.  AFTER REFUELING, NR 2 MAIN TANK READ 38.0 & NR 3 MAIN TANK READ 36.6.  DURING TAXI, FUEL QUANTITIES CHANGE WAS NOTED.  NR 2 TANK READ 30.5 AND NR 3 TANK READ 42.7.  A/C RETURNED TO BLOCK.  INSPECTED REFUEL VALVES AND RESET SWITCHES.  REOPENED AND CLOSED NR 3 MAIN REFUEL VALVE.  INSPECTED REFUEL MANIFOLD.  FOUND ALL OK FOR SERVICE WITH NO FUEL MIGRATION.

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