SDR AALA20021444

Service difficulty report · O-Ring · Boeing 757223

Difficulty date: October 12, 2002
Submitted: November 27, 2002
Operation: Air carrier
Aircraft: N635AA
Make and model: Boeing 757223
Aircraft serial: 24593
Engine: Rroyce RB211535*
System (JASC): 7261 · Turbine Engine Oil System
Part: O-Ring
Condition: Cut
Location: Rt Engine
Stage of operation: CR
How discovered: O
Nature of condition: K
Precautionary procedure: A

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

What was found

JFK - FLT 837 - EN ROUTE LGA-MCO, AFTER TAKEOFF, CLIMBING THROUGH 8,000 FEET, RIGHT ENGINE OIL PRESSURE DROPPED INTO YELLOW BAND. OIL PRESSURE FLUCTUATED AND THEN STEADILY DECREASED. DECLARED EMERGENCY AND LANDED AT JFK WITHOUT INCIDENT. INSPECTED AND FOUND RIGHT ENGINE PRESSURE OIL FILTER LEAKING. REMOVED PRESSURE OIL FILTER HOUSING AND FOUND OIL RING CUT. REPLACED O-RING AND INSPECTED PRESSURE OIL FILTER ELEMENT. SERVICED ENGINE. SYSTEMS GROUND CHECKED NORMAL OPERATION. (M)