Service difficulty report · Skin · Boeing 747451

Difficulty date
February 1, 2017
Submitted
February 6, 2017
Operation
Air carrier
Aircraft
N666US
Make and model
Boeing 747451
Aircraft serial
23821
Aircraft time
113,662 hours, 14,108 cycles
System (JASC)
5751 · Ailerons
Part
Skin
Condition
Delaminated
Location
Lt Aileron
Stage of operation
IN
How discovered
O
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

LEFT WING INBD AILERON TOP SKIN FOUND TWO DELAMINATION APPROX 3X3 INCH. ONE IS FROM L/E 5 INCH AND FROM OTBD 4 INCH THE OTHER IS FROM T/E 6 INCH AND FROM INBD 16 INCH. REPAIRED IAW SRM 51-70-06 PARA. 5. A. (1) FIG. 5 REV. 98.