Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
March 10, 2020
Submitted
June 29, 2021
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Support Angle
Condition
Corroded
Location
Bs 312-344 Lbl66
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 FORWARD ENTRY DOOR SCUFF PLATE OUTBOARD SUPPORT AT B.S. 312-344; L.B.L. 66; W.L. 208.1. / REMOVED CORROSION FROM FED O/B SCUFF PLATE SUPPORT BS312-344; LBL66 WL208.1; ORIGINAL THICKNESS IS .050'; MAX MAT REMOVED IS MORE THAN 30% IN AN AREA OF 7' X 1'; FOUND TO BE OUT OF LIMITS; REMOVED AND REPLACED SUPPORT ANGLE IAW SRM 53-10-15-0I-1; SRM 53-10-15-1A-1 SRM 51-40-02-0G-0 AND DWG# 141A8110. 84632U;12MAR20.

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