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SDR CA090629009

Open the Markdown

Service difficulty report · Apu · Bombdr BD1001A10

FAA SDR system

Difficulty date
June 21, 2009
Submitted
August 3, 2009
Operation
General aviation
Make and model
Bombdr BD1001A10
Engine
Hnywl AS90711A
System (JASC)
4920 · APU Core Engine
Part
Apu
Part number
36150BD
Condition
Failed
Stage of operation
DE
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) CREW REPORTED ON DESCENT, APU FAILED TO START. 2 START ATTEMPTS WERE MADE. FIRST AT 9000FT, 250KTS WITH APU HANGING AT 16 PERCENT AND SECOND AT 5000 FT, 250KTS WITH APU HANGING AT 13 PERCENT. AFTER LANDING, APU STARTED NORMALLY. DURING POST FLIGHT INSP, SOME SOOTING AND HEAT DAMAGE WAS DISCOVERED JUST AFT OF THE INLET SCREEN. SIMILAR DAMAGE WAS REPORTED ON THE SAME ACFT IN JAN 2009 ON SDR NO. 20090126001. FOLLOWING THAT EVENT THE APU WAS REMOVED FOR REPAIR AND WAS REINSTALLED IN MAY 2009. APU WILL NOW BE REPLACED.