Service difficulty report · Stringer · Boeing 7377BD

Difficulty date
August 16, 2022
Submitted
September 28, 2022
Operation
Air carrier
Aircraft
N7738A
Make and model
Boeing 7377BD
Aircraft serial
33930
Aircraft time
51,542 hours, 27,977 cycles
Part
Stringer
Condition
Corroded
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

(CORROSION) AT STRINGER 23R TO BULKHEAD FRAME CONNECTION AT BS 540. (CORRECTION TO ORIGINAL DISCREPANCY) (CORROSION) AT STRINGER 23R TO BULKHEAD FRAME CONNECTION AT BS 540. / [01] REMOVED CORROSION AT STRINGER 22R BS 540; AS PER B737-7; SRM 51-10-02.;[27] -PARTIALLY INSTALLED REPAIR STRINGER AND SPLICE AT STRINGER 23 RH PER WIP 2 AND SRM 53-00-03-2R -1.;[28] -VERIFIED PARTIAL INSTALLATION ON STEP 27;[29] ACCOMPLISHED REPAIR AS PER EA: 22-153-02642.;[30] PRIOR TO REMOVE STRINGER SECTION REMOVED SHIER TIES I/B AND O/B OF STR 23R STA 520;[31] VERIFIED STEP 30 OK TO REINSTALL 2EA SHEAR TIE;[32] FINALIZED INSTALLATION OF REPAIR STRINGER; SPLICE AND 2 EA SHEAR TIES REF B 737-700 SRM 53-00-03-2R-1 AND WIP1; WIP2 AND WIP3. PENDING CLIP INSTALLATION. WORK WAS ACCOMPLISHED BY TECHNICIANS MARIO MARTINEZ EMPL # 21787 AND REINIER PRADO EMPL # 32404;[33] VERIFIED STEP 32;[34] INSTALLED STRINGER CLIP AT S-23R; BS 520 AS PER B737-7 SRM 51-40-02.;[35] ACCOMPLISHED REPAIR AS PER EA: 22-153-02642.;[36] EDITING FAULT NAME AS REQUESTED BY GREG SPANO. SEE ATTACHED EMAIL.<BR><BR>ORIGINAL FAULT NAME: (CORROSION) AT STRINGER 22R TO BULKHEAD FRAME CONNECTION AT BS 540.<BR><BR>EDITED FAULT NAME: (CORROSION) AT STRINGER 23R TO BULKHEAD FRAME CONNECTION AT BS 540.;[37] ADD REF. ON STEP #34: INSTALLED STRINGER CLIP AT S-23

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