Service difficulty report · Stringer · Boeing 7377Q8

Difficulty date
June 8, 2024
Submitted
July 18, 2024
Operation
Air carrier
Aircraft
N7876A
Make and model
Boeing 7377Q8
Aircraft serial
29355
Aircraft time
56,686 hours, 31,260 cycles
Part
Stringer
Condition
Cracked
Location
Zone 100
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

CRACK STRINGER 25L AT BS 540 FWD CARGO COMPARTMENT 2024-376597<[01] STEP 2 UT TOOL USED PN:38DLPLUS; SN: 120398603; DUE DATE: 17-NOV-24;[02] ON STEP 9; EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 60009161631; DUE DATE: 11-MAR-25.;[03] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 23-JAN-25; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142820025; DUE DATE: 22-JAN-25;[04] REPAIRED STRINGER 25L LOC. BTW BS 500D TO BS 540 FWD CARGO COMPARTMENT [7] REPLACEMENT STRINGER SECTION; [2] CHANNEL; [3] ANGLES (2EA) AND FASTENERS IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 STEP 4.K TO L FIG. 206 AND DWG 143A3230; SHEET 121. REV.A.<BR>SEE INDIVIDUAL SIGNS OF BELOW.;[05] CORRECTIVE ACTION 4 <BR>REPAIRED STRINGER 25L LOC. BTW BS 500D TO BS 540 FWD CARGO COMPARTMENT [7] REPLACEMENT STRINGER SECTION; [2] CHANNEL; [3] ANGLES (2EA) AND FASTENERS IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG #143A3230; SHEET 121. REV.A.<BR>SEE INDIVIDUAL SIGNS OF BELOW.;[06] REPAIRED STRINGER 25L LOC. BTW BS 500D TO BS 540 FWD CARGO COMPARTMENT [7] REPLACEMENT STRINGER SECTION; [2] CHANNEL; [3] ANGLES (2EA) AND FASTENERS IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG #143A3230; SHEET 121. REV.A.<BR>SEE INDIVIDUAL SIGNS OF BELOW.<BR>RII

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