SDR PCAA9700362

Service difficulty report · O-Ring · Dhav DHC8102

Difficulty date: April 6, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N835EX
Make and model: Dhav DHC8102
Aircraft serial: 289
System (JASC): 6122 · Propeller Governor
Part: O-Ring
Condition: Failed
Location: Rt Prop Control
Stage of operation: AP
Nature of condition: K
Precautionary procedure: O

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

What was found

PHL - DURING CLIMB-OUT, NR 2 ENGINE OIL PRESURE DROPPED TO 40 PSI. THE ENGINE WAS SHUT DOWN AND ACFT LANDED IN ABE WITHOUT INCIDENT. MAINTENANCE INSPECTED ENGINE IAW PWC MANUAL FOR LOW/LOSS OF OIL PRESSURE. FOUND THE PROP CONTROL UNIT ADAPTER FLANGE O-RINGS BAD/LEAKING. THE O-RINGS WERE REMOVED AND REPLACED, AND OIL SYSTEM SERVICED. GROUND RUN OPERATION CHECKED GOOD. ACFT RETURNED TO SERVICE. (X)