Service difficulty report · Web · Boeing 7377H4

Difficulty date
February 9, 2020
Submitted
July 29, 2021
Operation
Air carrier
Aircraft
N453WN
Make and model
Boeing 7377H4
Aircraft serial
29847
Aircraft time
56,224 hours, 33,063 cycles
Part
Web
Condition
Corroded
Location
Bs 787
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*** ACB BS 787+5 RBL24 WL 157 SUB WEB THRESHOLD HAS CORROSION. / CORROSION ON SUB WEB THRESHOLD BS 787+5 RBL24 WL157 FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. SUB WEB THRESHOLD REMOVED AND REPLACED IAW SRM 51-40-02 AND DWG 146A8340

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