What was found
LEFT ENGINE DID NOT PRODUCE TAKE OFF POWER. MAX THRUST REQUESTED L 97-98 MAX WHEN 101. AIR RETURN, REMOVED AND REPLACED HMU ASSEMBLY ON NR 1 ENGINE IAW AMM 73-11-01-400-801. LEAK CHECKED GOOD
- Difficulty date
- September 24, 2025
- Submitted
- September 26, 2025
- Operation
- Air carrier
- Aircraft
- N68836
- Make and model
- Boeing 737924ER
- Aircraft serial
- 60088
- Aircraft time
- 32,563 hours, 11,891 cycles
- Engine
- Cfmint CFM567B27
- Engine time
- 32,563 hours, 11,891 cycles
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Hmu
- Part number
- 1853M56P16
- Part serial
- BECWC287
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 32,563 hours, 11,891 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.