Service difficulty report · Overheat Sensor · Saab 340B

Difficulty date
August 10, 2015
Submitted
August 12, 2015
Operation
Air carrier
Aircraft
N347AG
Make and model
Saab 340B
Aircraft serial
340B447
Aircraft time
32,525 hours, 36,147 cycles
Engine
Ge CT7TP*
Part
Overheat Sensor
Part number
51533378
Condition
Failed
Location
Rt Bleed Sys
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

RT BLEED AIR LEAK ILLUMINATED. RAN THE QRH, THE LIGHT WENT OUT THEN CAME BACK ON. WE RAN THE QRH AGAIN AND SHUT THE NR 2 ENGINE DOWN. HEAVY SOOT DEPOSITS IN DUCT AREA. LOOP INSULATOR GROMMETS ON AFT ELEMENT DRY-ROTTED. R & R RT NACELLE DUCT ASSY ELEMENT SENSOR, PN: 51533-378. R & R RT NACELLE ENGINE AFT BLEED DUCT. OPS CHECKED GOOD. R & R LOOP INSULATOR GROMMETS.

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