What was found
DURING THE MAINTENANCE PROCESS IT WAS FOUND AT THE TAIL CONE 170-50005-423 S/N: 0478001, AREA RT, SILENCER FWD EDGE SKIN WITH BULGED. THE AREA WAS ACCESSED, AND IT WAS FOUND THE INTERNAL FRAME AT RT LOWER PANEL AFT SPLICE AREA CORRODED.
**UNABLE TO VERIFY THE N# AND AIRCRAFT - INFORMATION DOESN`T MATCH AND SERIAL NUMBER ISN`T VALID**