Service difficulty report · Stringer · Boeing 73773V

Difficulty date
July 20, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
63,332 hours, 39,016 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

AREA AFT OF FORWARD CARGO BAY HAS A CRACKED STR AT THE AFT FASTENER. BS 500D+19; STR 26L<[01] PERFORMED CUT OUT DAMAGE SECTION S-26L AT FCB BS 500D+10 IAW SRM 53-00-03-2R-1 REPAIR 1;[02] VERIFIED CORRECTION ACTION ITEM 1.;[03] PARTIAL STEPS 1-2;[04] REQ. NDI CUT OUT FOR FREE CRACK CONDITION AND NOT MORE DAMAGE NOTE;[05] NDT HFEC INSPECTED CUT OUT AREAS IAW 737 NDTM PART 6 51-00-00 PROC 23. NO CRACKS NOTED. <BR>EQUIP USED: NORTEC 600 ATS1465 DUE 09/23;[06] PERFORMED REPAIR ON STRINGER 26LH PER REF SRM 53-00-03-2R-1 <BR><BR>ALL STEPS COMPLETED;[07] VERIFIED STEPS 1;2;3 & 5; COMPLETE.;[08] VERIFIED STEP 4 IN PARTIAL AND MEASUREMENT TABLE.;[09] VERIFIED STEP 4 COMPLETE; CARD COMPLETE.

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