SDR CA040326002

Service difficulty report · Blade · Dhav DHC8311

Difficulty date: March 19, 2004
Submitted: July 22, 2004
Operation: General aviation
Make and model: Dhav DHC8311
Aircraft time: 28,789 hours
Engine: Pwa PW123
Propeller: Hamstd 14SF15
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Blade
Condition: Bent
Location: Impeller
Stage of operation: TO
How discovered: O
Nature of condition: D
Precautionary procedure: C

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

What was found

(CAN) ON TAKE OFF, CREW HEARD A STRANGE WHINING SOUND. SOUND IDENTIFIED AS FROM NR 1 ENGINE. TAKE OFF REJECTED AT 30 KTS. MAINTENANCE FOUND BENT BLADE ON LOW PRESSURE COMPRESSOR IMPELLER. ENGINE REPLACED. CREW ON PREVIOUS FLIGHT HAD REPORTED A BIRD STRIKE. AIRCRAFT HAD BEEN INSPECTED BY MAINTENANCE WITH NO APPARENT DAMAGE FOUND. ENGINE S/N TSN:23746 HRS, TSO:10578 HRS,CYCLES:34323. HOURS AND CYCLES ON IMPELLER BLADE TO BE DETERMINED.