SDR 20000517SH029

Service difficulty report · Control Box · Doug MD900

Difficulty date: December 8, 1999
Submitted: May 17, 2000
Operation: Air carrier
Aircraft: N901CF
Make and model: Doug MD900
Aircraft serial: 90000012
Engine: Pwa PW206A
System (JASC): 7720 · Engine Temperature Indicating System
Part: Control Box
Part number: 312299201
Part serial: EM0005656
Condition: Failed
Location: Mgt
Stage of operation: IN
How discovered: V
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

REJECTED NEW OUT-OF-BOX. BOX WAS TRIMMED TO 111 C, BUT LATER FOUND OUT THAT PWC HAD ALREADY TRIMMED THE OVERHAULED ENGINE IN THE TEST CELL FOR ADDITIONAL 9 C THAT IS OPERATED WITH SB 28171. REPLACED W ITH NEW UNIT, CORRECTED PROBLEM. (X)

More about the Doug MD 900