# SDR ASMF202101006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2020
- Submitted: January 21, 2021
- Operation: Air carrier
- Aircraft: [N377AR](https://openairdocs.org/aircraft/N377AR), registered now
- Make and model: Boeing 737-86J
- Registry model: [Boeing 737-86J](https://openairdocs.org/model/boeing-737-86j) (OpenAirDocs)
- Aircraft serial: 37753
- Aircraft time: 33,770 hours, 15,413 cycles
- Engine: Cfmint CFM567B273
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Valve
- Part number: 32911866
- Part serial: GRT01720
- Condition: Leaking
- Location: Rt Engine Fuel
- Part time: 25,118 hours, 9,059 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF202101006

## Discrepancy

DURING OVERNIGHT CHECK AT MEX STATION, IT WAS DETECTED A FUEL LEAK AT RIGHT ENGINE.  MAINTENANCE PERSONNEL PERFORMED REVISION.  DETECTING THE RIGHT ENGINE HPTACC VALVE LEAKING.  THE HPTACC VALVE WAS REPLACED, IAW AMM 75-21-01, TESTED CORRECT.

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