Service difficulty report · Converter · Cessna 750

Difficulty date
March 25, 2009
Submitted
March 26, 2009
Operation
Air carrier
Aircraft
N921QS
Make and model
Cessna 750
Aircraft serial
7500241
Aircraft time
3,849 hours, 2,410 cycles
Part
Converter
Condition
Odor
Location
Cabin
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
D

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

What was found

A VISIBLE HAZE WITH AN OILY ODOR FORMED IN THE COCKPIT AND CABIN WHEN IN THE T/O DETENT. WENT TO THE RUN UP PAD AND RAN IT UP WITH BOTH PACS ON AND IT HAPPENED AGAIN. REMOVED LT AND RT COALESCER SOCKS (PN 746451-3), INSTALLED NEW SOCKS (PN 746451-3). REMOVED LT AND RT OZONE CONVERTERS, CLEANED AND INSTALLED OZONE CONVERTERS. REMOVED COCKPIT ACM (PN 738384-33 SN EC22E), INSTALLED REPAIRED ACM (PN 738384-33 SN 960220A), OPS AND LEAK CHECK GOOD. WORK PERFORMED REF THE MM 21-51-00.

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