What was found
STEADY STREAM OF FUEL COMING FROM DRAIN LINE FOR HPTACC VALVE ON #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED THE #1 HPTACC VALVE PER B737-900 AMM 75-21-01-000-801-F00 / 75-21-01-400-801-F00.
- Difficulty date
- August 20, 2022
- Submitted
- August 23, 2022
- Operation
- Air carrier
- Aircraft
- N492AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44110
- Aircraft time
- 24,886 hours, 7,826 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7520 · Engine Cooling System
- Part
- Valve
- Part number
- 1821M59P06
- Part serial
- GRT14359
- Condition
- Leaking
- Location
- #1 Engine
- Part time
- 24,886 hours, 7,826 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.