Service difficulty report · Plate · Boeing 7377H4

Difficulty date
January 13, 2021
Submitted
February 15, 2021
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
59,583 hours, 35,303 cycles
Part
Plate
Condition
Corroded
Location
Aft 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

AFT CARGO BAY; L/H FLOOR TO SIDEWALL SUPPORT PLATE AS AREAS OF CORROSION AROUND NUT PLATES BS727+10 TO BS847 LBL23 WL156 / EVALUATED CORROSION ON ACB L/H FLOOR TO SIDEWALL; REMOVED .015'; FOUND TO BE OUT OF LIMITS; ORIG .040'; IAW SRM 53-00-53-1A-2. REMOVED DAMAGED FLOOR TO SIDEWALL SUPPORT; INSTALLED NEW; AND LOCATED; DRILLED; ALL IAW SRM 51-40-05-0G-0; SRM 51-40-02-0G-0. DWG 146A7500

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