Service difficulty report · Retainer · Boeing 75721B

Difficulty date
November 23, 2009
Submitted
November 24, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Retainer
Part number
146N6609Y9
Condition
Cracked
Location
Zone 100
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

AFT CARGO DOOR CUT-OUT AFT FRAME STA 1440, SEAL RETAINER AND LWR SEAL RETAINER FOUND CRACKED AND DENTED. REPLACE. AFT CARGO DOOR CUTOUT STA 1440, CRACKED SEAL RETAINER AND LWR AFT CORNER SEAL RETAINER REMOVED IAW SRM 51-40-02. CRACKED SEAL RETAINER AND LWR AFT CORNER SEAL RETAINED EVALUATED AND FOUND TO EXCEED LIMIT (CRACKED LENGTH = 3") IAW SRM 53-60-15 REV. 98. NEW SEAL RETAINER AND LWR AFT CORNER SEAL RETAINER INSTALLED IAW SRM 51-40-02 REV. 98. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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