SDR UIEA2016083100725

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
System (JASC): 2752 · Trailing Edge Flap Actuator
Part: Ring Gear
Part number: 113T13429
Part serial: TLS7075720754
Condition: Corroded
Location: Te Flap
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 3273, LT WING, NR 2 FLAP ACTUATOR RING TEETH ARE CORRODED, NRI 3274. LEFT WING NR 2 FLAP ACTUATOR REACTION RING HAS CORRODED TEETH. NRI 3273, R & R ROTARY ACTUATOR TO STEP 3, FC161 IAW AMM 27-51-22, WORK TO BE COMPLETED ON EO 6727A007, PT SUPPLEMENTAL 25. NRI 3274, R & R NR 2 FLAP ACTUATOR RING IAW 27A0229.