Service difficulty report · Duct · Boeing 757224

Difficulty date
July 13, 2026
Submitted
July 16, 2026
Operation
Air carrier
Aircraft
N17122
Make and model
Boeing 757224
Aircraft serial
27564
Aircraft time
103,857 hours, 24,765 cycles
Part
Duct
Condition
Detached
Location
Rt A/C Pack
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RIGHT PACK UNABLE TO SAFE WORKING TEMP IN THE CABIN UNABLE TO CO NTROL TEMP DIVERSION PERFORMED ZONE TEMP CONTROLLER, AND LEFT AND RIGHT PACK CONTROLLER BITE TEST AND NO FAULTS FOUND AT THIS TIME. REF FIM 21-51 TASK 803. PERFORMED VISUAL INSPECTION ON THE RIGHT PACK AND WAS FOUND THE SUPPLY DUCT DETTACHED FROM THE INLET. RE-ATTACHED RIGHT PACK SUPLY DUCT. OPS CHECK AND LEAK CHECK GOOD AT THIS TIME. REF AMM 21-51-03/401