Service difficulty report · Pressure Deck · Boeing 7377H4

Difficulty date
August 14, 2026
Submitted
September 9, 2026
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
69,101 hours, 41,575 cycles
Part
Pressure Deck
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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 AT HORIZONTAL PRESSURE DECK WEB BS 663 +4" RBL 67, WL 203. CORROSION AT HORIZONTAL PRESSURE DECK WEB STA 663 +4" RBL67 WL 203. IAW EA 26-153-02215 THE DAMAGE IS ACCEPTABLE AS A CONTINUE-IN-SERVICE CONDITION WITHOUT REPETITIVE INSPECTIONS AND NO TERMINATING ACTION REQUIREMENTS. AS PER EA 26-153-02215 THE DAMAGE IS ACCEPTABLE AS A CONTINUE-IN-SERVICE CONDITION WITHOUT REPETITIVE INSPECTIONS AND NO TERMINATING ACTION REQUIREMENTS. VERIFIED: AS PER EA 26-153-02215 THE DAMAGE IS ACCEPTABLE AS A CONTINUE-IN-SERVICE CONDITION WITHOUT REPETITIVE INSPECTIONS AND NO TERMINATING ACTION REQUIREMENTS.

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