# SDR AALA2020082099022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2020
- Submitted: August 20, 2020
- Operation: Air carrier
- Aircraft: [N117UW](https://openairdocs.org/aircraft/N117UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1224
- Aircraft time: 59,412 hours, 28,924 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Check Valve
- Part number: D2825009500000
- Condition: Unserviceable
- Location: Rt Wing
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2020082099022

## Discrepancy

AIRCRAFT NOT GROUNDED - RIGHT WING OUTER TANK LEAKING FUEL INTO INNER TANK.  MEL 28-02C RH INTRCELL XFR VLV, AUTHORIZED 04AUG2020T1513Z.  CREW REPORTED TRANSFER VALVES CLOSED ON ECAM FUEL PAGE.  PERFORMED AMM TASK 28-15-00-740-002-A FUNCTIONAL TEST OF THE INTERCELL TRANSFER VALVES, OPERATIONAL CHECK GOOD. REMOVED & REPLACED RIGHT WING SPILL PIPE CHECK VALVE AT RIB 15 PER AMM 28-25-47.  REMOVED & REPLACED RIGHT WING FUEL PUMP CHECK VALVE (2 EA.) PER AMM 28-21-43. REMOVED & REPLACED RIGHT WING REFUEL VALVE 8QU PER AMM 25-25-51, LEAK AND OPS CHECK GOOD.

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