SDR AALA20040552

Service difficulty report · Gearbox · Boeing 777223

Difficulty date: May 13, 2004
Submitted: May 14, 2004
Operation: Air carrier
Aircraft: N791AN
Make and model: Boeing 777223
Aircraft serial: 30254
Engine: Rroyce RB211TRENT89
System (JASC): 7260 · Turbine Engine Accessory Drive
Part: Gearbox
Condition: Leaking
Location: Rt Engine
Stage of operation: CR
How discovered: V
Nature of condition: K, J
Precautionary procedure: A

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

What was found

FRA INFLIGHT T071/13, THREE HOURS INTO FLIGHT STATUS MESSAGE DISPLAYED WITH RT ENGINE N3 READING 0 OIL QUANTITY AND RT ENGINE OIL PRESSURE STARTED DROPPING. CREW SHUT DOWN RT ENGINE AND DIVERTED. LANDED OVERWEIGHT AND WITHOUT INCIDENT. SINGLE ENGINE TIME APPROXIMATELY ONE HOUR. ACCOMPLISHED OVERWEIGHT LANDING INSPECTION. REPLACED RT ENGINE GEAR BOX. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)