Service difficulty report · Web · Boeing 7378H4

Difficulty date
January 14, 2020
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N8310C
Make and model
Boeing 7378H4
Aircraft serial
38807
Aircraft time
27,014 hours, 11,809 cycles
Part
Web
Condition
Corroded
Location
Bs 987
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 WET AREA; TOP AND BOTTOM OF FLOOR STRUCTURE AT R/H STA 987; RBL 44; WL 208; HAS A FASTENER HOLE CORRODED. / BLENDED CORROSION AT TOP AND BOTTOM SURFACE OF FLOOR STRUCTURE WEB AT STA 987 RBL 44 WL 208. ORIGINAL THICKNESS .040; REMAINING .034; LOSS OF .006' FOUND OUT OF LIMITS IAW SRM 53-70-51-1A-1. REMOVABLE AND REPLACED WEB IAW SRM 51-40-02-0G-0 AND DWG 147A5700 REV A. RESTORED CIC TO AREA IAW AMM 51-21-91-620-802 PN: 147A5712035 ATAG: A99273

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