SDR UIEA9992

Service difficulty report · Bolt · Boeing 7472D3B

Difficulty date
October 19, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N505MC
Make and model
Boeing 7472D3B
Aircraft serial
21251
Part
Bolt
Part number
BACB30US14K
Condition
Cracked
Location
Ws 1241
Part time
74,272 hours
Stage of operation
IN
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

LEFT WING REAR SPAR STATION 1241, LOWER SPLICE PLATE AND KICK FITTING INBOARD BOLT AND BOLT HOLE HAS CRACK INDICATIONS, VERIFIED WITH HFEC INSPECTION. OVERSIZED KICK FITTING AND REAR SPAR LOWER CHORD BOLT HOLE TO .975 INCH. VERIFIED HOLE IS CRACK FREE WITH HIGH FREQ EDDY CURRENT INSPECTION. REPLACED BOLT. (M)

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