Service difficulty report · Intermed Gearbox · Boeing 737236

Difficulty date
June 10, 2000
Submitted
January 11, 2001
Operation
Air carrier
Aircraft
N705S
Make and model
Boeing 737236
Aircraft serial
21800
Aircraft time
37,919 hours, 30,952 cycles
Engine
Pwa JT8D17
Part
Intermed Gearbox
Part number
717000
Part serial
PS7949
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

FLT 214 FROM IFP TO DTW: NR 2 ENGINE WAS SHUT DOWN IN FLIGHT FOR LOSS OF OIL QUANTITY AND PRESSURE. THE AIRCRAFT DIVERTED TO ABQ. INVESTIGATION REVEALED THAT THE LP5 PORT FITTING ON THE NR 2 ENGINE ACCESSORY GEARBOX WAS LOOSE DUE TO DAMAGED INTERNAL THREADS THUS CAUSING THE OIL LOSS. THE ACCESSORY GEARBOX WAS REPLACED PER P&W MM 72-60. AIRCRAFT WAS RETURNED TO SERVICE.