What was found
UPPER FUSELAGE FROM FR 29 TO FR 30 BETWEEN STRG 1L TO STGR 1R PCS/TIMING ANTENNA AREA BELOW COVER PLATE WITH SCRATCHES. PERFORMED PERMANENT MAJOR REPAIR AT FWD UPPER FUSELAGE SKIN SECTION AROUND PCS/TIMING ANTENNA BETWEEN FR 29 AND FR 30 AT STGR 1L - 1R I.A.W DELTA ER/A N636530-14 REV ORIGINAL DATED 08- SEP-26. NOTE: PERFORM ER/A N636530-14 SECTION II THE SOONER OF 30600 FC / 61200 FH AFTER EMBODIMENT AND EVERY SOONER OF 1200 FC / 2400 FH THEREAFTER. SEE LOG PAGE 1801765 FOR TIME CONTROLLED ITEM SECTION II. ASSOCIATED ER/A 00-636530 ADDED FOR AC 3253. (LP: 1804240, AIRCRAFT WAS GROUNDED)