What was found
THE FOLLOWING CORRODED PARTS WERE REMOVED AND REPLACED: (1) FRAME 16, RH T-CHANNEL CORRODED. REMOVED AND REPLACED T-CHANNEL PER SRM 51-40-02 PN 120-08896-001 SN NSN. (2) RH CENTER “T” PROFILE AT FRAME 40 CORRODED. REMOVED AND REPLACED AFT RH “T” PROFILE PER SRM 51-40-02 PN 120-04449-001 SN NSN. (3) LH BEAM PLATE CORRODED FROM STATION 13056.0 – 15050.0. REMOVED AND REPLACED LH BEAM PLATE (BUTT STRAP) PN 120-06158-001 SN NSN IAW SRM 51-40-02. (4) RH BEAM PLATE CORRODED FROM STATION 11430.0 – 13056.0. REMOVED AND REPLACED RH BEAM PLATE (BUTT STRAP) PN 120-46163-001 IAW CPM 53-20-01 AND SRM 51-40-02. (5) RH BEAM PLATE CORRODED FROM APPROXIMATELY STATION 13056.0 – 15050.0. REMOVED AND REPLACED RH BEAM PLATE PN 120-06158-001 SN NSN IAW CPM 53-20-01 AND SRM 51-40-02. (6) LH FLOOR SILL CORRODED FROM STATION 4992.0 – 6653.1. REMOVED AND REPLACED SILL PN 120-05802-001 SN FLL0116097 PER SRM 51-40-02. (7) LH FLOOR SILL CORRODED FROM APPROXIMATELY STATION 15050.0 – 16144.9. REMOVED AND REPLACED LH FLOOR SILL IAW SRM 51-40-00 PN 120-06157-005 SN NSN (QTY 2). (8) RH FLOOR SILL CORRODED FROM STATION 13056.0 – 15050.0. REMOVED AND REPLACED RH FLOOR SILL PN 120-06159-01 SN NSN IAW SRM 51-40-02. (9) RH FLOOR SILL CORRODED FROM APPROXIMATELY STATION 11430.0 – 13056.0. REMOVED AND REPLACED RH FLOOR SILL PN 120-04171-002 SN NSN IAW SRM 51-40-02 (QTY 2). (10) LH AND RH FLOOR BUTT STRAP CORRODED, BETWEEN FRAMES 13A – 20. REMOVED AND REPLACED LH AND RH FLOOR BUTT STRAPS WITH FABRICATED BUTT STRAPS PN 120-46156-601 SN NSN USING THE ORIGINAL PART DIMENSIONS IAW EMB DRAWING 120-46156 AND EMB SRM 51-30-01, INSTALLED IAW SRM 51-40-02 PN (QTY 4).