What was found
CFM REPORTS #2 ENGINE GRADUAL INCREASE IN DELTA EGT AND DELTA FUEL FLOW AND DECREASE IN DELTA CORE SPEED. GROUNDED - YES. REMOVED AND REPLACED HPTACC ACTUATOR ASSY PER B737-800 AMM 756-25-05.
- Difficulty date
- February 16, 2023
- Submitted
- March 3, 2023
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 52,557 hours, 15,444 cycles
- System (JASC)
- 7520 · Engine Cooling System
- Part
- Valve
- Part number
- 32911867
- Part serial
- GRTM3283
- Condition
- Faulty
- Location
- #2 Engine
- Part time
- 70,267 hours, 27,419 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.