Service difficulty report · Mount · Boeing 7378H4

Difficulty date
July 31, 2026
Submitted
August 28, 2026
Operation
Air carrier
Aircraft
N8546V
Make and model
Boeing 7378H4
Aircraft serial
63574
Aircraft time
29,792 hours, 15,138 cycles
Part
Mount
Condition
Corroded
Location
Nr 2 Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

#2 ENGINE FWD ENGINE MOUNT HAS EXTENSIVE FRETTING CORROSION ON THE HANGAR FITTING AND FAN CASE FITTING AT THE OUTBOARD SIDE LINK UPPER AND LOWER ATTACH BOLTS. REMOVED AND REPLACED #2 ENG FWD MOUNT IAW 771-021-00-01 REFERENCE TTG8Q01DJXC4 FOR PARTS INFORMATION AND WORK PERFORMED. INSP C/W

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