Service difficulty report · Duct · Boeing 7377H4

Difficulty date
July 31, 2024
Submitted
August 27, 2024
Operation
Air carrier
Aircraft
N950WN
Make and model
Boeing 7377H4
Aircraft serial
36664
Aircraft time
45,442 hours, 27,738 cycles
Part
Duct
Condition
Corroded
Location
Zone 400
Stage of operation
IN
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

#1 ENGINE OB TR C-DUCT AFT EXHAUST INNER SURFACE WITH PITTING CORROSION SPOTS.<[01] #1 ENGINE O/B T/R IS BEING REPLACED ON TTG8Q00UYKAX;[02] VERIFIED STEP 1

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