Service difficulty report · None · Boeing 74747UF

Difficulty date
March 8, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N476MC
Make and model
Boeing 74747UF
Aircraft serial
29256
Aircraft time
93,201 hours, 17,179 cycles
Part
None
Condition
None
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DISBOND - SKIN, #5 SPOILER UPPER SURFACE T/E FOUND DISBOND(<P>1. CUT OUT THE DISBOND AND CLEAN MEASURE THE CUTOUT (L = 5.5", W = 3", 32.5" FROM OUTBD EDGE AT T/E) INSTALL THE REPAIR CORE WITH COMPOUND, CURED AT 250 DEGREE FAHRENHEIT FOR 90 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG AND BOND THE EXTERNAL DOUBLERS WITH FILM ADHESIVE. CURE AT 250 DEGREE FAHRENHEIT FOR 90 MINUTES WITH MINIMUM OF 22IN/HG IAW SRM 57-70-02-2R-1 REV 96, SRM 51-70-10-2R-4 REV 96 AND SRM 51-70-10-2R-0 REV 96. 2. CONDITION CHECK IS GOOD</P>)

More about the Boeing 747-47UF