What was found
A/C RESTRICTED FROM ETOPS SERVICE DUE TO #2 ENGINE HPTACC DRAIN LEAKAGE. GROUNDED - YES. TOP DEFERRAL CLEARED. HPTACC REPLACED PER B737-900 AMM 75-21-01 (ASA L/P 60492581). ETOPS SERVICE RESTORED.
- Difficulty date
- May 19, 2022
- Submitted
- May 26, 2022
- Operation
- Air carrier
- Aircraft
- N492AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44110
- Aircraft time
- 23,881 hours, 7,545 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7520 · Engine Cooling System
- Part
- Valve
- Part number
- 1821M59P06
- Part serial
- GRT14356
- Condition
- Leaking
- Location
- #2 Engine
- Part time
- 23,938 hours, 7,557 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.