Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
April 11, 2022
Submitted
May 11, 2022
Operation
Air carrier
Aircraft
N8626B
Make and model
Boeing 7378H4
Aircraft serial
36894
Aircraft time
27,450 hours, 12,465 cycles
Part
Intercostal
Condition
Corroded
Location
Aft 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

CORROSION ON INTERCOSTAL AT AFT LAV MOUNT STA 947.5+2 LBL50 / [01] BLENDED CORROSION ON INTERCOSTAL AT AFT LAV MOUNT ; STA. 947.5; LBL 50 PER SRM 51-10-02. REMOVED .050 OF MATERIAL. DAMAGE REMOVAL OUT OF LIMITS PER SRM 53-70-51-1A-1.;[02] VERIFIED CORROSION REMOVAL AND DAMAGE REMOVAL OUT OF LIMITS.;[03] REMOVED AND REPLACED DAMAGED INTERCOSTAL PER SRM 51-40-02.;[04] VERIFIED CORRECTIVE ACTION #3

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