SDR 95ZZZX534

Service difficulty report · Bearing Seal · Boeing 747121

Difficulty date
January 16, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N735SJ
Make and model
Boeing 747121
Aircraft serial
19642
Engine
Pwa JT9D7A
Part
Bearing Seal
Condition
Failed
Location
Nr 1 Engine
Part time
458 hours
Stage of operation
CR
Nature of condition
J, K
Precautionary procedure
A, E, O

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

What was found

NR 1 ENGINE OIL PRESSURE LIGHT ON MASTER CAUTION PANEL ON. FLUCTUATING OIL PRESSURE 10 TO 30 PSI AND LOSS OF OIL QUANTITY TO THREE-FOURTHS GALLON. BREATHER TEMPERATURE 230 DEGREES. ENGINE SHUT DOWN. LANDING IN MIA UNEVENTFUL. SERVICED ENGINE WITH 24 QUARTS OF OIL. PERFORMED LEAK CHECK AND RAN ENGINE AT POWER FOR FIVE MINUTES. NO LEAKS FOUND. SUSPECT CARBON SEAL FAILURE. AIRCRAFT SCHEDULED FOR THREE ENGINE FERRY FLIGHT TO JFK FOR UER NR 1.