Service difficulty report · Bushing · Boeing 7572B7

Difficulty date
November 13, 2007
Submitted
November 14, 2007
Operation
Air carrier
Aircraft
N901FD
Make and model
Boeing 7572B7
Aircraft serial
27122
Aircraft time
46,553 hours, 19,092 cycles
Part
Bushing
Part number
311N505822
Condition
Misaligned
Location
Nr 1 Nacelle
Stage of operation
IN
How discovered
9
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

NR 1 PYLON LOWER SPAR FITTING 311N5024-3 ASSY HAS 2, 311N5058-22 BUSHINGS WITH THE INTERNAL BORE NOT PERPENDICULAR TO THE FITTING. REMOVED BUSHINGS 2 PER SRM 54-50-90. CHECKED LUG PER NTM 51-00-13, NO DAMAGE FOUND. LUG HOLE DIAMETER 1.531". FABRICATED 2 NEW BUSHINGS PER SRM 54-50-90, ON MAE TRAVELER NR T7/711482. INSTALLED NEW BUSHINGS 2, PER SRM 54-50-90. REPAIR NR 5, MACHINED THE INNER DIAMETER OF THE BUSHINGS TO 1.313" PER SRM 54-50-90, REPAIR NR 5. AIRPLANE MANUFACTURED FEB 1993, LESS THAN 15 YEARS AGO.

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