What was found
SURFACE CORROSION ON UPPER FLOOR STRUCTURE AROUND O/B AFT LAV MOUNT FOR AFT L/H LAV. (MKD)<[01] DRAIN INTERCOSTAL OUT OF LIMITS PER SRM 53-70-51-1A-1;[02] LOCATED AND DRILLED REPLACEMENT INTERCOSTAL; COUNTERSUNK FASTENER HOLES AS REQUIRED PER REF. SRM 51-40-05 AND 51-40-08. TREATED AND PRIMED ALL BARE METAL AREAS PER AMM 51-21-41 AND 51-21-72. ATTACHED 4 EA BONDED NUT-PLATES PER SRM 51-40-10-2R-0.;[03] CORRECTION TO C/A STEP 2: LOCATED AND DRILLED REPLACEMENT INTERCOSTAL; COUNTERSUNK FASTENER HOLES AS REQUIRED PER REF. SRM 51-40-05 AND 51-40-08. TREATED AND PRIMED ALL BARE METAL AREAS PER AMM 51-21-41 AND 51-21-72. ATTACHED 4 EA BONDED NUT-PLATES PER SRM 51-40-10-2R-0 ON 05-MAY-23 0400 LOCAL TIME.;[04] VERIFIED CA #3 LOCATED AND DRILLED REPLACEMENT INTERCOSTAL; COUNTERSUNK FASTENER HOLES AS REQUIRED PER REF. SRM 51-40-05 AND 51-40-08. TREATED AND PRIMED ALL BARE METAL AREAS PER AMM 51-21-41 AND 51-21-72. ATTACHED 4 EA BONDED NUT-PLATES PER SRM 51-40-10-2R-0 ON 05-MAY-23 0400 LOCAL TIME;[05] INSTALLED NEW INTERCOSTAL IAW SRM 51-40-02.;[06] RII; COMPLIED WITH INSPECTION. INSTALLED NEW INTERCOSTAL IAW SRM 51-40-02.;[07] C/W INSPECTION;[08] C/W INSPECTION