Service difficulty report · Hydromech Unit · Boeing 767432ER

Difficulty date
October 18, 2003
Submitted
October 24, 2003
Operation
Air carrier
Aircraft
N844MH
Make and model
Boeing 767432ER
Aircraft serial
29717
Aircraft time
5,035 hours, 1,973 cycles
Engine
Ge CF680C2*
Engine time
5,042 hours, 1,977 cycles
Part
Hydromech Unit
Part number
731003363
Part serial
BECK4239
Condition
Failed
Location
Nr 1 Engine
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ON DESCENT L ENGINE CONTROL MSG DISPLAYED. T/S PER FIM 73-21-00 FIG 112 AND 71 PIMU MESSAGES PAGE 27. FOUND CODE 155 - 23 A/B. REMOVED HMU PER AMM. REPLACE LT ENGINE MNU AS PER MM RAN ENG AT IDLE NO MSG. NO LEAKS F/O RAN ENG PER PFHB.