Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
February 20, 2018
Submitted
February 9, 2022
Operation
Air carrier
Aircraft
N8314L
Make and model
Boeing 7378H4
Aircraft serial
36990
Aircraft time
20,172 hours, 8,669 cycles
Part
Intercostal
Condition
Corroded
Location
Aft Cargo Compt
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*** CORROSION ON UPPER SURFACE OF INTERCOSTAL AROUND FASTENER HOLES STA.747-767 RBL 22 / CORROSION FASTENER HOLE FOUND TO BE OUT OF LIMITS PER SRM 53-60-15-1A-1 REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02-OG-0 AND BOEING DWG 146A 7500 REVS-

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