Service difficulty report · Skin · Boeing 7472D7B

Difficulty date
March 8, 2005
Submitted
April 15, 2005
Operation
Air carrier
Aircraft
N527MC
Make and model
Boeing 7472D7B
Aircraft serial
22471
Part
Skin
Part number
65B940512
Condition
Cracked
Location
Nr 3 Pylon
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

DURING INSPECTION, NR 3 PYLON, CRACK DAMAGE WAS FOUND AT PRE-COOLER EXHAUST CUTOUT LOWER AFT CORNER AT NACELLE STATION 248. THE NR 3 STIFFENER WAS REINFORCED WITH A NEW STEEL LOWER REPAIR ANGLE FROM NACELLE STATION 235 TO 254. THE RIB INSTALLATION AT NACELLE STATION 248 WAS MODIFIED TO ACCOMMODATE THE NEW STEEL LOWER REPAIR ANGLE INSTALLATION ON THE NR 3 STIFFENER. (M)

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