Service difficulty report · Hinge Fitting · Boeing 7472D7B

Difficulty date
October 20, 2002
Submitted
November 21, 2002
Operation
Air carrier
Aircraft
N522MC
Make and model
Boeing 7472D7B
Aircraft serial
21783
Part
Hinge Fitting
Part number
65B942507
Condition
Worn
Location
Lt Cowling
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

DURING CURRENT C-CHECK AT SIAEC, FOUND NR 3 ENGINE LEFT AFT FAN COWL HINGE SUPPORT FITTING WITH WEAR DAMAGE IN THE LUG BORE HOLE. REAMED LUG BORE HOLE OVERSIZED TO .610 INCH. PERFORMED MAGNETIC PARTICLE INSPECTION FOR CRACKING. NO CRACKS FOUND. FABRICATED INTERFERENCES BUSHING. INSTALLED BUSHING PER STANDARD SHRINK FIT METHOD IAW BOEING STANDARD OVERHAUL PRACTICES 71-11-21 REV 2. (M)

More about the Boeing 747-2D7B