Service difficulty report · Packs · Boeing 727222

Difficulty date
October 30, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7261U
Make and model
Boeing 727222
Aircraft serial
21408
Engine
Pwa JT8D15
Part
Packs
Condition
Frozen
Location
Lt/Rt
Stage of operation
CL
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

AFTER TURNING PACKS ON, RIGHT PACK TRIPPED OFF. COMPRESSOR OUTLET TEMPERATURE IN RED BAND, LEFT PACK WAS APPROACHING YELLOW BAND. NOTICED HIGH DUCT TEMPERATURE, DUCT OVERHEAT LT LIGHT AND PACK TRIP OFF. SMOKE FILLED BOTH COCKPIT AND CABIN. *S/D* AFTER MAINTENANCE THAWED BOTH PACKS THE OPERATIONAL CHECK WAS OK.