SDR CALA2013090290906

Service difficulty report · Connector · Boeing 777222

Difficulty date: August 30, 2013
Submitted: September 3, 2013
Operation: Air carrier
Aircraft: N787UA
Make and model: Boeing 777222
Aircraft time: 72,035 hours, 10,299 cycles
Engine: Pwa PW40903
System (JASC): 7260 · Turbine Engine Accessory Drive
Part: Connector
Condition: Loose
Location: Nr 2 Engine
Stage of operation: IN
How discovered: O
Nature of condition: K
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 2 ENGINE ANGLE GEARBOX SHOWS SIGNS OF OIL LEAKING. SPRAYED DOWN AREA OF NR 2 ENGINE ANGLE GEARBOX WITH ALCOHOL, 5 MINUTE IDLE RUN ENGINE, CONFIRMED OIL LEAK & POSSIBLE CRACK IN CASE, OIL COMING OUT OF GEARBOX COVER. REPLACED ANGLE GEARBOX COVER O-RING IPC 72-62-00-003 ITEM 130, COVERED O-RING ITEM 30 & FLAT PLUG O-RING ITEM 1 IPC 72-62-00-004. CLEANED, DRIED AREA & RAN ENGINE. FOUND GEARBOX WET WITH OIL. TIGHTENED CONNECTOR ON ANGLE GEARBOX, AND SAFETIED. RAN NR 2 ENGINE LEAK CHECKED OKAY.