What was found
LEVELING OFF AFTER INITIAL DESCENT. AUTO THROTTLES TURNED OFF AND MAXIMUM N1 WAS 75% AT FL 300. MAX N1 CONTINUED TO DROP WITH DESCENT, 51% AT 10,000. / R&R #2 ENGINE HYDRO MECHANICAL UNIT PER AMM.
- Difficulty date
- October 20, 2019
- Submitted
- October 21, 2019
- Operation
- Air carrier
- Aircraft
- N933WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36640
- Aircraft time
- 36,298 hours, 21,892 cycles
- Engine
- Cfmint CFM567B243
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Hmu
- Part number
- 442369
- Part serial
- BECW1740
- Condition
- Faulty
- Location
- Nr 2 Engine
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.