SDR P5CA0401120

Service difficulty report · Seal · Boeing 7472F6B

Difficulty date: July 17, 2004
Submitted: July 21, 2004
Operation: Air carrier
Aircraft: N534MC
Make and model: Boeing 7472F6B
Aircraft serial: 21832
Aircraft time: 86,525 hours, 18,529 cycles
Engine: Ge CF650E2
Engine time: 57,741 hours, 10,912 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Seal
Condition: Leaking
Location: Nr 1 Generator
Stage of operation: CL
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

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

What was found

NR 1 ENGINE OIL QTY DROPPED FROM 5.3 GALLONS AFTER TAKEOFF, QTY DROPPED TO 1.25 GALLONS, OIL PRESSURE CLIMBED FROM 50 PSI TO 75 PSI & TEMP 110C. REMOVED AND REPLACED NR 1 ENGINE GENERATOR & GENERATOR SEAL, ALSO REPLACED NR 1 ENGINE CSD SEAL. OPS CHECK OK IAW AMM 24-11-01.

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