Service difficulty report · Hmu · Boeing 7377H4

Difficulty date
June 21, 2018
Submitted
June 26, 2018
Operation
Air carrier
Aircraft
N729SW
Make and model
Boeing 7377H4
Aircraft serial
27861
Aircraft time
67,634 hours, 39,539 cycles
Part
Hmu
Part number
442369
Part serial
BAMW3818MFR
Condition
Malfunctioned
Location
Nr 2 Engine
Stage of operation
DE
How discovered
O
Nature of condition
R
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

IN DESCENT AS THE PLANE WAS LEVELING OFF AT FL 340 AND THROTTLES COMING UP, RIGHT ENGINE STAYED AT 40% AND BEGAN TO STALL (MILD CHUGGING) FROOM RIGHT ENGINE. R&R HYDRO MECHANICAL UNIT PER AMM.

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