Service difficulty report · Support · Boeing 74745E

Difficulty date
June 12, 2024
Submitted
June 14, 2024
Operation
Air carrier
Aircraft
N473MC
Make and model
Boeing 74745E
Aircraft serial
27174
Aircraft time
117,035 hours, 21,085 cycles
Part
Support
Part number
UNKNOWN
Condition
Corroded
Location
Lt Wing
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

LHW UPPER FIXED PANEL 511CTA O/B SUPPORT CHORD FOUND CORRODED.(<P>CORRODED AREA BLENDED OUT AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, BLEND OUT AREA MEASURED: L=18" X W=1.6" X D=0.035" WITHIN SRM 57-41-09-1A-1 ALLOWABLE DAMAGE 1 FIG 101 LIMITS. NO FURTHER DEFECTS NOTED.</P>)

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