Service difficulty report · Hmu · Boeing 73776N

Difficulty date
August 29, 2019
Submitted
September 3, 2019
Operation
Air carrier
Aircraft
N7846A
Make and model
Boeing 73776N
Aircraft serial
35218
Aircraft time
35,558 hours, 25,485 cycles
Part
Hmu
Part number
442653
Part serial
BE9W5637
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
TO
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

#1 ENGINE WOULD NOT PRODUCE FULL POWER ON TAKEOFF. COMMANDED 95%N, BUT ONLY PRODUCED 88%. R&R HYDRO MECHANICAL UNIT PER MT.

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