SDR A6WA201140211

Service difficulty report · O-Ring · Cndair CL6002B19

Difficulty date: March 28, 2011
Submitted: April 22, 2011
Operation: Air carrier
Aircraft: N448AW
Make and model: Cndair CL6002B19
Aircraft serial: 7814
Aircraft time: 18,496 hours, 17,726 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: O-Ring
Condition: Missing
Location: Idg Carbon Seal
Stage of operation: CR
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

LT ENG LOW OIL PRESS INDICATION. OIL PRESSURE AT 37 PSI. CW, QRH, REDUCED TO IDLE. OIL PRESSURE DROPPED TO 35 PSI. OIL PRESSURE 27-31 PSI TIL SHORT FINAL THEN DROPPED TO 25 PSI. JUST PRIOR LDG AND 20 PSI JUST AFTER LDG. SHUTDOWN ENGINE AFTER LANDING. FOUND MISSING O-RING TO LEFT ENG IDG CARBON SEAL. REPLACED CARBON SEAL O`RING IAW SUPP 05 018D. CONSUMED 0 OIL ON ENG CONSUMPTION RUN. IDLE SPEED CHECK OK.