Service difficulty report · Structure · Boeing 7377H4

Difficulty date
July 7, 2018
Submitted
February 21, 2022
Operation
Air carrier
Aircraft
N255WN
Make and model
Boeing 7377H4
Aircraft serial
32513
Aircraft time
42,002 hours, 24,811 cycles
Part
Structure
Condition
Corroded
Location
Aft Cargo Bay
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

AFT CARGO BS 767 + 4' NUT PLATE AND STRUCTURE CORRODED LOWER SURFACE RBL 20. / REMOVED CORROSION FROM AFT CARGO BS 767+4' NOT PLATES AND STRUCTURE LOWER SURFACE AND CHECKED LIMIT FOUND TO BE OUT OF LIMIT WITH .007' OF MAT LOSS; REMAIN .063' ORIG .050' REPLACED WITH NEW PART P/N 146A8123U19 LOCATED; DRILLED AND INSTALLED PART IAW 53-60-15-1A-1 AND BOEING DWG 146A8123 REV C

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