Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
August 20, 2018
Submitted
February 18, 2022
Operation
Air carrier
Aircraft
N785SW
Make and model
Boeing 7377H4
Aircraft serial
30602
Aircraft time
63,485 hours, 37,163 cycles
Part
Intercostal
Condition
Corroded
Location
Lower Int Fusela
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 CARGO COMPARTMENT BETWEEN STA 927 AND 907 AND STR 27R AND 25R POTABLE WATER PAN SUPPORT INTERCOSTAL IS CORRODED AROUND SEVERAL FASTENERS / REMOVED AND EVALUATED CORROSION ORIGINAL .040' LOSS OF .006' WITH .034' REMAINING BLEND FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. REMOVED AND REPLACED STIFFENER PER SRM 51-40-02-0G-0 AND AIPC 52-49-00-02

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