Service difficulty report · Strap · Boeing 7377H4

Difficulty date
September 14, 2020
Submitted
August 13, 2021
Operation
Air carrier
Aircraft
N499WN
Make and model
Boeing 7377H4
Aircraft serial
32481
Aircraft time
54,217 hours, 32,098 cycles
Part
Strap
Condition
Corroded
Location
Bs 794-846
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 AFT CARGO BAY TENSION STRAP UPPER SURFACE AT B.S. 794-846; R.B.L 21; W.L. 154. / REMOVED CORROSION FROM ACB TENSION STRAP BS 794-846 RBL - 21 MAXIMUM MATERIAL REMOVED L = 2.5' W = 1.3; D = 0.035' FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 STEP 4 G LOCATED AND DRILLED NEW STRAP ITEM # 7530325 IAW SRM 51-40-02-0G-0 AND INSTALLED IAW SRM 51-40-02-0G-0 AND DWG # 146A8120 REV - E

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