What was found
MID FREQUENCY EDDY CURRENT DEFECT INDICATION 1 EACH FASTENER TS4 & TS5, RS23, INBD OF APU SHROUD. REPAIRED ON REA B653-61835-MR. CRACKED LENGTH .100, PN 148T2610, PART NAME AFT PRESS BULKHEAD, FS & BS LOCATION TS4 - 5, RS23. ACFT WAS GNDED.