Service difficulty report · Door Sill · Boeing 7377H4

Difficulty date
March 24, 2018
Submitted
February 10, 2022
Operation
Air carrier
Aircraft
N762SW
Make and model
Boeing 7377H4
Aircraft serial
27876
Aircraft time
64,104 hours, 37,478 cycles
Part
Door Sill
Condition
Corroded
Location
Fed Threshold
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*** FWD ENTRY DOOR INNER CHORD; ATTACHED ANGLE BS 312 -344 CORRODED / REMOVED CORROSION 12' X 1' X .010' ALLOWED 10% MATERIAL LOSS ORIGINAL MATERIAL THINKNESS IS .080' FOUND O BE OUT OF LIMITS PER SRM 53-10-15-1A-1 REPLACED ANGLE WITH NEW PER SRM 51-10-05 WILL BE INSTALLED ON NRC N129878

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