Service difficulty report · Tube · Boeing 727233

Difficulty date
August 27, 2010
Submitted
August 30, 2010
Operation
Air carrier
Aircraft
N495AJ
Make and model
Boeing 727233
Aircraft serial
20937
Aircraft time
73,542 hours, 41,698 cycles
Engine
Pwa JT8D15A
Engine time
56,060 hours, 42,144 cycles
Part
Tube
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
B

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

What was found

NUMBER 1 ENGINE OIL QUANTITY STEADILY DECREASED DURING FLIGHT. ALSO OIL TEMP EXCESSIVE. ONLY DROPPED DURING POWER BACK. MAINTENANCE FOUND THE NUMBER 6 BEARING OUTER TUBE ON NUMBER 1 ENGINE LEAKING. THE TUBE PART NUMBER 793651 WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.