Service difficulty report · Duct · Boeing 7474KZF

Difficulty date
February 28, 2026
Submitted
March 2, 2026
Operation
Air carrier
Aircraft
N405KZ
Make and model
Boeing 7474KZF
Aircraft serial
36132
Aircraft time
64,686 hours, 11,844 cycles
Part
Duct
Part number
214U61248
Condition
Damaged
Location
Zone 600
Stage of operation
IN
How discovered
V
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

R/H W/W PACK #3 DUCT ASSEMBLY DAMAGE. IT WAS FOUND HANGING IN THE R/H WING GEAR WHEEL WELL. IT HAD SEPARATED/FAILED AT THE CONTROL VALVE AT THE TOP OF THE WHEEL WELL. R & R DUCT ASSY PER AMM 21-21-01. LK CHK OK.

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