Service difficulty report · Skin · Boeing 74747UF

Difficulty date
March 14, 2020
Submitted
March 17, 2020
Operation
Air carrier
Aircraft
N415MC
Make and model
Boeing 74747UF
Aircraft serial
32837
Aircraft time
69,453 hours, 11,922 cycles
System (JASC)
5751 · Ailerons
Part
Skin
Condition
Debonded
Location
Rt Aileron
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

DISBOND - SKIN, OUTBD SIDE OF R/H WING INBD AILERON T/E SKIN, WBL 515.(<P>REMOVE THE DAMAGE MATERIAL AND CLEAN. MEASURE THE DAMAGED AREA (L = 2", W = 0.1", 1" FROM OUTBD EDGE AT AFT EDGE). BOND REPAIR PLIES WITH RESIN. CURE AT 150 DEGREES F FOR 180 MINUTES. KEEP A MINIMUM VACUUM PRESSURE AT 22 IN/HG, IAW B747-400F SRM 57-60-01-2R-1. REFER TO SRM 51-70-06-0G-0 REV. 88. CONDITION CHECK IS SATISFACTORY.</P>)

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