Service difficulty report · Skin · Boeing 777223

Difficulty date
May 11, 2018
Submitted
May 16, 2018
Operation
Air carrier
Aircraft
N798AN
Make and model
Boeing 777223
Aircraft serial
30797
Aircraft time
69,172 hours, 8,739 cycles
System (JASC)
5751 · Ailerons
Part
Skin
Condition
Contaminated
Location
Lt 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

THE LEFT OUTBOARD AILERON LOWER SURFACE HAS MOISTURE INGRESS AT MULTIPLE AREAS, LOCATED 3.5 IN FROM INBOARD EDGE AND 4" IN FROM THE LEADING EDGE, 9" IN FROM TRAILING EDGE AND 4" IN FROM INBOARD EDGE, AND 8.5" IN FROM TRAILING EDGE AND 9.5 " IN FROM LEADING EDGE. REPAIRED IAW EA 280505C.