SDR SAJF2016110205021

Service difficulty report · Plate · Boeing 747400

Difficulty date: October 26, 2016
Submitted: November 2, 2016
Operation: Air carrier
Make and model: Boeing 747400
Aircraft serial: 29031
Aircraft time: 80,565 hours, 15,231 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Plate
Condition: Corroded
Location: Fuselage
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

DURING MAINTENANCE CHECK, CORROSION WAS FOUND AT FUSELAGE LONGERON PLATE LOCATED ON STA 2362 S-23R. THIS AREA ORIGINAL INSP PLAN WAS FOLLOW 53-916-01. THE BLEND OUT SIZE IS 5" X 2.5" WITH MINIMUM REMAINING THICKNESS 0.049". FUSELAGE LONGERON PLATE LOCATED ON STA 2362 S-23R REPAIRED BY EO 744-53-00-0666, RECOMMENDS THAT TO TRIM OUT THE BLEND OUT AREA AND PERFORM A EXTERNAL SPLICE DOUBLER REPAIR PER SR: 4-3500881998,

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