Service difficulty report · Threshold Web · Boeing 7377BD

Difficulty date
September 1, 2018
Submitted
February 24, 2022
Operation
Air carrier
Aircraft
N7739A
Make and model
Boeing 7377BD
Aircraft serial
35110
Aircraft time
41,003 hours, 21,243 cycles
Part
Threshold Web
Condition
Corroded
Location
Fwd Service Door
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*** ON FSD THRESHOLD SUPPORT THAT ATTACHES TO THE FSD MOPSILL. / REMOVED CORROSION; FSD THRESHOLD SUPPORT ATTACHING TO THE MOPSILL WITH A REMAINING THICKNESS OF .079' FROM ORIGINAL .090'; FOUND TO BE OUT OF LIMITS; REMOVED FSD THRESHOLD SUPPORT ATTACHED TO THE MOPSILL AND REPLACED WITH NEW PER SRM 53-10-15-1A-2; SRM 51-40-05; BOEING DWG. 141A8310

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