Service difficulty report · Aileron · Boeing 777223

Difficulty date
June 6, 2017
Submitted
June 9, 2017
Operation
Air carrier
Aircraft
N791AN
Make and model
Boeing 777223
Aircraft serial
30254
Aircraft time
67,448 hours, 8,638 cycles
System (JASC)
5751 · Ailerons
Part
Aileron
Part number
113W700311
Condition
Damaged
Location
Left Wing
Stage of operation
IN
How discovered
T
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

THERMOGRAPHIC INSPECTION REVEALED MOISTERURE ACCUMULATION IN THE LEFT OUTBOARD AILERON. REMOVED AND REPLACED AILERON IAW AMM 27-11-13 AND AMM 27-11-00. AIRCRAFT WAS GROUNDED.