Service difficulty report · Frame · Boeing 7378H4

Difficulty date
September 28, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
26,784 hours, 12,542 cycles
Part
Frame
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

BS 312 FRAME CRACKED AT STR. 5L LBL 32. / [01] NO ALLOWABLE LIMITS FOUND FOR BS312 FRAME CRACK DAMAGE TO BE REMOVED I.A.W SRM 51-10-02-0G-0 AND SUBMITTED TO ENG. FOR FURTHER INSTRUCTIONS;[02] REMOVED CRACK ON BS312 FRAME UPPER CHORD INNER FLANGE 0.150 LENGHT LBL33 BETWEEN STR5L AND STR6L I.A.W SRM 51-10-02-0G-0;[03] REQUEST HFEC TO VERIFY CRACK FREE CONDITION ON TRIMMED AREA;[04] HFEC INSPECTED CUTOUT AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>NO CRACKS NOTED.<BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23;[05] VERIFIED CORRECTIVE ACTION #1; 2;[06] REPAIRED DAMAGE ON CRACKED FRAME AT BS312 LBL33 BETWEEN STR5L AND STR6L I.A.W EA 22-153-01244 ATTACHED COSTUMER CARD TTG8Q00F4KR5;[07] VERIFIED CORRECTIVE ACTION ITEM 6.<BR>VERIFIED MEASUREMENTS TABLE. FAULT COMPLETE.

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