Service difficulty report · Skin · Boeing 7472D7B

Difficulty date
March 6, 2007
Submitted
March 14, 2007
Operation
Air carrier
Aircraft
N524MC
Make and model
Boeing 7472D7B
Aircraft serial
21784
Aircraft time
93,958 hours, 19,481 cycles
Part
Skin
Condition
Cracked
Location
Nr 1 Pylon
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

NR 1 PYLON PRECOOLER EXHAUST CUT-OUT SKIN ASSEMBLY AND DOUBLER FOUND CRACKED. SKIN ASSEMBLY TRIMMED OFF FILLER FABRICATED AND INSTALLED AS PER BOEING MESSAGE 1-289015678-4 AND REMOVED FASTENERS INSTALLED AS PER BOEING MESSAGE 1-289015678-8 AND FAA FORM 8100-9.

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