What was found
TOOLING MARKS ON REPAIR DOUBLER AT STATION 1373 IN BETWEEN STRINGER 29R & 30R. R & R DOUBLERS IAW ERA 379839-14. FABRICATED DOUBLERS FROM 2024-T3 .100 IAW ERA 379839-14. REPLACED DOUBLERS BECAUSE OF TOOLING MARKS ON LOWER DOUBLER. TOOLING MARKS, PN 146T3531-2, SN NSN, PART NAME SKIN, FS & BS LOCATION ON ACFT FS 1361 TO 1381, STRINGER LOCATION ON ACFT STRINGER 28R TO 29R. ACFT WAS GNDED.