Service difficulty report · Support · Boeing 7377K9

Difficulty date
October 29, 2020
Submitted
February 11, 2021
Operation
Air carrier
Aircraft
N7813P
Make and model
Boeing 7377K9
Aircraft serial
30041
Aircraft time
57,662 hours, 30,458 cycles
Part
Support
Part number
143A7500
Condition
Corroded
Location
Fwd Cargo
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

***CORROSION*** ON FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500D - BS500A RBL23 WL157. / REMOVED AND REPLACED FLOOR SIDEWALL SUPPORT AT FCB BS 500D-500A RBL 23 WL 157 AS PER SRM 51-40-02-0G-0 AND DRAWING #143A7500; SIDEWALL SUPPORT WAS EVALUATED AND FOUND TO BE OUT OF LIMITS AS PER SRM. 53-00-53-1A-2. PARAGRAPH. 4A. FIG.103 DETAIL 'D'. MAX MATERIAL REMOVED IT'S MORE THAN 50% OF ALLOWABLE LIMIT

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