What was found
L/H EXTERNAL FUSELAGE SKIN CRACKED AROUND RIVETS FR-77 IN THREE (3) PLACES. REPAIRED THE L/H EXTERNAL FUSELAGE SKIN CRACKED AROUND RIVET AT FR-77 AT ONE (1) LOCATION IAW PIEDMONT EO1-53-21-0223, TWO (2) LOCATIONS FOUND NOT TO BE CRACKED,