Service difficulty report · Support · Boeing 7377H4

Difficulty date
December 11, 2019
Submitted
April 13, 2022
Operation
Air carrier
Aircraft
N452WN
Make and model
Boeing 7377H4
Aircraft serial
29846
Aircraft time
55,142 hours, 32,737 cycles
Part
Support
Part number
146A940116
Condition
Corroded
Location
Aft Cargo Bay
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

***CORROSION*** NOTED ON TEE SUPPORTSURFACE AT AFT CARGO COMPARTMENT STA 772 / REMOVED CORROSION AT AFT CARGO TEE SUPPORT STA 772. MEASURES: ORIGINIAL THICKNESS .070';MINIMUM THICKNESS FOUND .031'. MATERIAL LOST .039' FOUND OUT OF LIMITS.REPLACED TEE SUPPORT P/N 146A9401.16 AS PER REF B737-700 SRM 53-00-53-1A-2.AND WILL BE INSTALLED ON CUSTOMER ORDER -JPANEL-141-CLOSE

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