What was found
DRIPS/LEAK NOTICED UNDER #2 ENGINE NACELLE. GROUNDED - YES. FOUND #2 HPTACC VALVE DRAIN LEAKING AT 10 DPM. REMOVED AND REPLACED HPTACC VALVE REF B737-900 AMM 75-21-01/401. LEAK AND OPS TEST GOOD. ORIG SUB DATE: 12/9/2022
- Difficulty date
- December 5, 2022
- Submitted
- December 15, 2022
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 32,503 hours, 10,089 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7520 · Engine Cooling System
- Part
- Valve
- Part number
- 32911866
- Part serial
- GRTM4054
- Condition
- Leaking
- Location
- Nr 2 Engine
- Part time
- 42,697 hours, 14,774 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.