# SDR ASAA2019082430523

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2019
- Submitted: August 29, 2019
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 28,751 hours, 8,290 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Valve
- Part number: 32911866
- Part serial: GRTT1208
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 46,052 hours, 13,535 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/ASAA2019082430523

## Discrepancy

DURING PDC WALK AROUND FOUND #2 ENGINE LEAKING FUEL. FOUND HPTACCV LEAKING 15 DROPS A MINUTE. PERFORMED #2 ENGINE IDLE RUN FOR 5 MINUTES. NO LEAK FOUND AFTER ENGINE RUN. GROUNDED - YES. REMOVED AND REPLACED HPTACC VALVE ON #2 ENG REF B737-800 AMM 75-21-01. ALL INSTALLATION AND OPS /LEAK CHECKS GOOD.

---
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.