Service difficulty report · Sensor · Cessna 560XL

Difficulty date
July 1, 2009
Submitted
July 2, 2009
Operation
Air carrier
Aircraft
N619QS
Make and model
Cessna 560XL
Aircraft serial
5605562
Aircraft time
4,019 hours, 3,129 cycles
Part
Sensor
Part number
99145192
Part serial
7BA320
Condition
Inoperative
Location
Lt Acm Precooler
Part time
2,505 cycles
Stage of operation
TO
How discovered
O
Nature of condition
M, B
Precautionary procedure
O

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

What was found

ACM OVERHEAT LIGHT ILLUMINATES DURING TAKEOFF ROLL BETWEEN 70KTS AND V1. ALSO EXPERIENCED RUSH OF AIR IN CABIN AND COCKPIT WITH HOT AIR RUBBER ODOR. TROUBLESHOT BLEED AIR SYSTEM PER MM 36-11-00. FOUND NO FLOW FROM LT PRECOOLER EXHAUST. REMOVED AND REPLACED LT PRECOOLER TEMP SENSOR TT001 PER MM 36-11-00. REMOVED AND REPLACED LT PRECOOLER RAM AIR ACTUATOR PER MM 36-11-02. PRECOOLER SYSTEM OPS AND LEAK CHECKS NORMAL PER MM 36-11-02. ACM AND ECS SYSTEM OPS CHECKS NORMAL PER MM 21-51-00.

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