SDR EIA2003146

Service difficulty report · O-Ring · Boeing 747212B

Difficulty date: October 25, 2003
Submitted: October 28, 2003
Operation: Air carrier
Aircraft: N482EV
Make and model: Boeing 747212B
Aircraft serial: 20713
Aircraft time: 91,952 hours, 21,432 cycles
Engine: Pwa JT8D7
System (JASC): 7261 · Turbine Engine Oil System
Part: O-Ring
Condition: Leaking
Location: G/B Chip Detect
Stage of operation: DE
How discovered: O
Nature of condition: S
Precautionary procedure: 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 QUANTITY DECREASED TO 1 GALLON AND NR 1 ENGINE OIL PRESSURE LIGHT CAME ON, SHUT DOWN NR 1 ENGINE, NR 1 ENGINE OIL PRESSURE AT 34 PSI. REPLACED ANGLE GEARBOX CHIP DETECTOR O-RINGS, PERFORMED LEAK CHECK NO OIL LOSS ON ENGINE RUN, SERVICE ENGINE OIL TO FULL IAW MM 79-11-00.

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