Service difficulty report · Strap · Boeing 7377H4

Difficulty date
November 29, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N454WN
Make and model
Boeing 7377H4
Aircraft serial
29851
Aircraft time
54,639 hours, 32,241 cycles
Part
Strap
Condition
Corroded
Location
Aft Cargo 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

AFT CARGO DOOR TORQUE BOX TENSION-STRAP; BS 834 HAS SURFACE CORROSION AROUND FASTENER HOLE. (MARKED) / REMOVED CORROSION FROM ACB LOWER MAIN SILL STRAP B.S. 834 IN AREA 1 X 1 X O=.036 PER SRM 51-10-02-00-0 PARA 15A AND IS FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED IAW: SRM 51-40-02-0G-0 AND BOEING DWG'S 146A8120; 146A0081. 88765U; 14DEC19

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