Service difficulty report · Sensor · Boeing 7377BD

Difficulty date
October 7, 2023
Submitted
October 11, 2023
Operation
Air carrier
Aircraft
N7748A
Make and model
Boeing 7377BD
Aircraft serial
36399
Aircraft time
51,441 hours, 26,416 cycles
Part
Sensor
Part number
UNKNOWN
Condition
Faulty
Location
Zn 200 Fus Top
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

PACKS AIR FLOW VERY LOW AT TIMES BLOWING WARM AIR GRD AND IN FLIGHT UNABLE TO COOL AIRCRAFT SUFFICIENT FLIGHT ATTENDANTS REPORTS ODOR OUT OF THE FWD AIR OUTLET ;..<[01] R+R LT AND RT COALESCER BAGS REF M/M 21-51-05 REPLACED CONTROL CABIN TEMP SENSOR FILTER REF M/M 21-61-06 BOTH PACKS PUT OUT AIR IN LOW 40?S OK FOR SERVICE.

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