Service difficulty report · Ring Gear · Boeing 767231

Difficulty date
August 28, 2016
Submitted
September 1, 2016
Operation
Air carrier
Aircraft
N653GT
Make and model
Boeing 767231
Aircraft serial
22572
Aircraft time
79,399 hours, 22,423 cycles
Part
Ring Gear
Part number
256T32104113T125
Part serial
0522TLS19830
Condition
Corroded
Location
Wing
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

NRI 3295, NR 3 ROTARY ACTUATOR ASSY FIXED RING GEAR CORRODED. NR 3 REACTION RING SPLINES ARE CORRODED, NRI 3296 & NRI 3295. REMOVED AND INSTALLED NR 3 ROTARY ACTUATOR IAW AMM 27-51-11 UP TO STEP 3F, NRI 3296. R & R NR 3 REACTION RING IAW EO 6727A007.