# SDR ASMF20210621002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2021
- Submitted: June 21, 2021
- Operation: Air carrier
- Aircraft: [N845AM](https://openairdocs.org/aircraft/N845AM), registered now
- Make and model: Boeing 737852
- Aircraft serial: 36706
- Aircraft time: 23,158 hours, 8,606 cycles
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Valve
- Part number: 32911866
- Part serial: GRT06966
- Condition: Leaking
- Location: Lt Engine
- Part time: 23,158 hours, 8,606 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/ASMF20210621002

## Discrepancy

DURING TRANSIT CHECK, IT WAS DETECTED A FUEL LEAK AT LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING THE LEFT ENGINE HPTACC VALVE; SO THE LEFT HPTACC VALVE WAS REPLACED IAW AMM 75-21-01, TESTED CORRECT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.