Service difficulty report · Panel · Boeing 7472D7B

Difficulty date
July 17, 2009
Submitted
July 21, 2009
Operation
Air carrier
Aircraft
N524MC
Make and model
Boeing 7472D7B
Aircraft serial
21784
Aircraft time
99,985 hours, 20,743 cycles
Part
Panel
Condition
Cracked
Location
Nr 3 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

RT WING NR 3 PYLON UPPER SURFACE GAP PANEL HAS 2 EA COMPOSITE CRACKS. STA ILES 666.22 CRACK IS 24.0 INCHES LONG AND AT ILES 670.22 CRACK IS 12.0 INCHES LONG. PERMANENT REPAIR ACCOMPLISHED IAW SRM 51-40-09, FIG 18, SHEETS 2 AND 5, 250 DEGREE CURE IAW SRM 51-40-12. EO 4757A483.

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