SDR SWAA990994

Service difficulty report · Hmu · Boeing 7377H4

Difficulty date
June 10, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N701GS
Make and model
Boeing 7377H4
Aircraft serial
27836
Engine
Cfmint CFM567B22
Part
Hmu
Part number
1853M56P06
Condition
Malfunctioned
Location
Nr 2 Engine
Stage of operation
CR
Nature of condition
E
Precautionary procedure
O

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

What was found

HEAVY AIRFRAME VIBRATION AT 35000 FT FLIGHT LEVEL, 260 KNOTS, 92 PERCENT N1. VIBRATION GOES AWAY WHEN POWER REDUCED. REMOVED AND REPLACED NR 2 ENGINE HMU PER MM.

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