Service difficulty report · O-Ring · Dhav DHC8311

Difficulty date
August 18, 2008
Submitted
August 25, 2008
Operation
Air carrier
Aircraft
N326EN
Make and model
Dhav DHC8311
Aircraft serial
234
Engine
Pwa PW123
Part
O-Ring
Condition
Leaking
Location
Adapter
Part time
32,682 hours
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

NR 1 ENG OIL PRESSURE WARNING LIGHT ILLUMINATED IN FLIGHT ALONG WITH A NR 1 ENG OIL PRESSURE OF 40 PSI. SHUTDOWN NR 1 ENG PER CHECKLIST. AFTER LANDING FOUND OIL DRIPPING FROM BOTTOM OF NR 1 ENG. 00 ESP HISTORY: NONE. FACT 19AUG08 05:05 CHS, FOUND PCU AND ADAPTER LEAKING. REPLACED ALL O-RINGS AND REINSTALLED AND RIGGED PCU IAW WORKCARDS 61-1-0-10R AND 76-00-02Q AND COMPLIED WITH MM 05-50-00 (EXCLUDING PATCH CHECK). NO DEBRIS OR DEFECTS FOUND. GROUND RAN, ENG LEAK AND OPS CHECK GOOD. (S)