SDR 99ZZZX2390

Service difficulty report · Scavenge Gear

Difficulty date
April 28, 1999
Submitted
March 26, 2000
Operation
General aviation
Filed by
OB2R051L
AAR Allen Services Inc
Engine
Pwa JT8*
Part
Scavenge Gear
Part number
RD4002
Condition
Failed
Location
Oil System
Part time
204 hours
Component
735511A
Stage of operation
IN
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

THE MPA RD4002 SCAVENGE PUMP GEAR FAILED. A GEAR TOOTH CAME OFF AND LODGED IN THE PUMP CAUSING THE PUMP TO SEIZE WHICH, IN TURN, CAUSED THE OIL TEMP LIGHT TO ILUMINATE AND THE FREQS TO FLUCTUATE. THE GEARS WERE REMOVED AND REPLACED. SUBMITTER IS REQUESTING THE RETURN OF SEVEN CSD'S WHICH HAVE THE PMA GEARS INSTALLED. UPON RECEIPT, WILL REMOVE AND REPLACE THE GEARS.