Service difficulty report · Door Sill · Boeing 7378H4

Difficulty date
May 8, 2020
Submitted
July 29, 2021
Operation
Air carrier
Aircraft
N8318F
Make and model
Boeing 7378H4
Aircraft serial
36685
Aircraft time
26,697 hours, 11,892 cycles
Part
Door Sill
Condition
Corroded
Location
Bs 447-485
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

FORWARD CARGO COMPARTMENT DOOR SILL CORROSION AT BS4447-485; RBL30-32; WL156 LOCATIONS MARKED / REMOVED CORROSION ON FWD CARGO SILL WEB AT BS 447-485; RBL 30-32 IAW SRM 53-30-15-1A-1; ORIGINAL THICKNESS ;040'; LOSS .017' OUT OF LIMITS. REMOVED AND REPLACED SILL WEB IAW SRM 51-40-02-0G-0 AND BOEING DWG# 143A8120 REV - P/N 143A8122-10

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