Service difficulty report · Angle · Boeing 7377H4

Difficulty date
August 15, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N415WN
Make and model
Boeing 7377H4
Aircraft serial
29836
Aircraft time
66,271 hours, 39,040 cycles
Part
Angle
Condition
Cracked
Location
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

SUPPLEMENTAL INFORMATION: CRACK FRAME ON BS 312 LOCATED UPPER FWD CUT OUT AT ENTRY DOOR FWD GALLEY AND LAV ; 2021-369336 / [10] REPAIR ANGLE (1EA) MATERIAL 7075-T0/0.063* HEAT TREATED AND CONVERTED FROM 7075-T0 TO CONDITION T6 IAW BAC5602 TABLE IV ;PAGE 22 AND TABLE X ;PAGE 33. TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 21-JAN-22; [11] MADE REPAIR ANGLE LOCATED BS 312 BTW S-5L AND S-6L UPPER FWD CUT OUT ENTRY DOOR IAW SRM B737-700 53-10-07-2R-1 REPAIR 1; [12] CERTIFIED STEP 11; [13] PERFORMED FLUORESCENT PENETRANT INSPECTION ON REPAIR ANGLE IAW SOPM 20-20-02. NO CRACK FOUND.; [14] APPLIED PROTECTIVE TREATMENT ON REPAIR ANGLE LOCATED BS 312 BTW S-5L AND S-6L UPPER FWD CUTOUT ENTRY DOOR IAW SRM B737-700 51-20-01 AND OK TO INSTALL REPAIR ANGLE AND FASTENERS; [15] CERTIFIED STEP 14<BR>RII; [16] INSTALLED REPAIR ANGLE AND FASTENERS LOCATED BS 312 BTW S-5L AND S-6L UPPER FWD CUT OUT ENTRY DOOR IAW SRM B737-700 53-10-07-2R-1 REPAIR 1; [17] CERTIFIED STEP 16 <BR>RII; [18] REPAIRED FRAME ON BS 312 BETWEEN S-5L AND S-6L UPPER FWD CUTOUT AT ENTRY DOOR IAW SRM B737-700 53-10-07-2R-1 REPAIR 1; [19] JOB COMPLETED RII

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