SDR DHL2002747002

Service difficulty report · O-Ring · Boeing 727224

Difficulty date: April 18, 2002
Submitted: April 18, 2002
Operation: Air carrier
Aircraft: N747DH
Make and model: Boeing 727224
Aircraft serial: 22253
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: O-Ring
Condition: Damaged
Location: Oil Filter Cap
Stage of operation: AP
How discovered: O
Nature of condition: K, J
Precautionary procedure: E

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

What was found

NR 3 OIL QUANTITY SLOWLY DECREASING, WORKED ABNORMAL PROCEDURE. QUANTITY FELL BELOW 0 GALLONS, LOW OIL PRESSURE LIGHT ILLUMINATED AND OIL PRESSURE GAUGE WENT TO 0 PSI. PERFORMED IN FLIGHT ENGINE SHUTDOWN PROCEDURE. FOUND MAIN OIL FILTER CAP LEAKING. REMOVED AND REPLACED O-RING, LEAK CK GOOD IAW MM 20-10-11, 79-20-0 & JHR 5.2