Service difficulty report · Gearbox Elbow · Boeing 737322

Difficulty date
July 6, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N386UA
Make and model
Boeing 737322
Aircraft serial
24661
Engine
Ge CFM56*
Part
Gearbox Elbow
Condition
Broken
Location
Nr 2 Gear Box
Stage of operation
NR
Nature of condition
J
Precautionary procedure
O

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

What was found

LANDED SFO UNDER AMBER ALERT DUE TO AN OIL LOSS INDICATION FOR THE NR 2 ENGINE. AFTER INSPECTION, FOUND THE OIL PRESSURE ELBOW FITTING CRACKED TO THE TRANSFER GEARBOX PRESSURE TRANSMITTER. AFTER REPLACING THE GEARBOX ELBOW, ACCOMPLISHED LEAK CHECK RUN AND RETURNED AIRCRAFT TO SERVICE. NO FURTHER DISCREPANCIES REPORTED.