Service difficulty report · Web · Boeing 7378H4

Difficulty date
July 16, 2022
Submitted
August 10, 2022
Operation
Air carrier
Aircraft
N8639B
Make and model
Boeing 7378H4
Aircraft serial
60086
Aircraft time
27,400 hours, 12,638 cycles
Part
Web
Condition
Corroded
Location
Fuselage
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

FWD CARGO COMPARTMENT THRESHOLD WEB HAS LIGHT SURFACE CORROSION. (MARKED) / [01] WEB WAS FOUND TO BE OUT OF LIMITS AS NOTED IN STEP 1. OBTAINED REPLACEMENT PART. DRILLED AND COUNTERSUNK FASTENER HOLES; AND ATTACHED NUTPLATES PER SRM 51-40-02; TREATED AND PRIMED PER SRM 51-20-01 AS NOTED IN STEP 2. PROVIDE OKAY TO INSTALL.;[02] OK TO INSTALL REPLACEMENT PART;[03] REPLACED WEB PER SRM 51-40-02.;[04] VERIFIED INSTALLATION OF NEW WEB.

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