Service difficulty report · Structure · Boeing 7377CT

Difficulty date
January 16, 2021
Submitted
February 15, 2021
Operation
Air carrier
Aircraft
N567WN
Make and model
Boeing 7377CT
Aircraft serial
32747
Aircraft time
61,327 hours, 31,086 cycles
Part
Structure
Condition
Cracked
Location
Main Cabin
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

CABIN HAS CHORD CRACKED AT END RADIUS BS 312 S5L-S6L. / CUT OUT DAMAGE AT CABIN CHORD AT END RADIUS BS 312 S5L-S6L; PERFORMED HFEC AND ROTO INSP NO CRACK NOTE AS PER NTM PART 6 51-00-00 PROCEDURE 23; FABRICATED ANGLE REPAIR MAT USED 7075-0 0.063 CLAD PO #1668003; PERFORMED HEAT TREAT; CONDUCTIVITY AND HARDNESS INSP AS PER BAC5946 FOUND IN LIMITS; DRILLED; DE-BURRED; TREAT; PRIMER AND INSTALLED REPAIR PART AS PER REF B737-700 SRM 53-10-07-2R-1 FIG A REPAIR 1; PERFORMED FPI SOPM 20-20-02; SRM 51-40-05-0G-0; AMM 51-21-41-701; AMM

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