SDR MALA090008

Service difficulty report · Duct · Saab 340B

Difficulty date
January 18, 2009
Submitted
January 19, 2009
Operation
Air carrier
Aircraft
N442XJ
Make and model
Saab 340B
Aircraft serial
442
Aircraft time
24,027 hours, 26,390 cycles
Part
Duct
Condition
Overtemp
Location
Right
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

DUCT OVERTEMP RIGHT SIDE, AFTER HELD IN MAN MODE FOR 3 SECONDS. LITTLE BIT OF SMOKE IN CABIN STOPPED ONCE BLEED AND HP WAS CLOSED. PERFORMED COMPLETE TEMP CONTROL CHECK OF LT, RT PACKS. UNABLE TO DUPLICATE DISCREPANCY. SUSPECT CREW OPERATING PROCEDURE CAUSED OVERTEMP CONDITION AND SUBSEQUENT ODOR IN CABIN. HOLDING MANUAL MODE SWITCH TO FULL HOT FOR 3 SECONDS WILL CAUSE R DUCT OVERTEMP. NO SMOKE NOTED DURING OPS CHECKS. LT, RT PACKS MANUAL MODE OPERATE AS REQ. LT, RT PACKS AUTO MODE DEFERRED. ALL CHECKS GOOD. REF SAAB AMM CH 21-60-00.

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