SDR PCAA0207075

Service difficulty report · Spring · Dhav DHC8102

Difficulty date: July 17, 2002
Submitted: July 19, 2002
Operation: Air carrier
Aircraft: N843EX
Make and model: Dhav DHC8102
Aircraft serial: 335
Aircraft time: 23,789 hours, 26,347 cycles
System (JASC): 7603 · Power Lever
Part: Spring
Condition: Weak
Location: Power Lever
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

PHL-FLIGHT 3810. CREW REPORTED POWER LEVERS CAN BE SELECTED TO BETA WITHOUT LIFTING TRIGGERS. MAINTENANCE CLEANED AND LUBED POWER LEVER MECHANISM. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. AS A FOLLOW UP, MAINTENANCE INSPECTED POWER LEVER REVERSE GATE, ASSOCIATED BEARINGS FOR BINDING, REPLACED SPRING P/N MS24586C39 (SUSPECTED WEAK SPRING TENSION), AND VERIFIED PROPER OPERATION / RIGGING OF BETA WARNING HORN SWITCH. NO OTHER DEFECTS WERE FOUND.