What was found
GPWS FAIL LIGHT AND TERR INOP LIGHT ON TAWS CIRCUIT BRAKE TRIPPED. NR 1 ADC AND NR 1 GS C/B TRIPPED. DEFERRED 61397 FOUND TAWS COMPUTER INOP. CAPPED AND STOWED WIRES TW9020 FROM S30-6 (55) TW9056A FROM S30-16 (32) AND TW9014A22 FROM S30-6 (52) IAW REA D934-57692. DEFERRED TAWS SYSTEM IAW MEL 34-29. MAINT PROCEDURES COMPLIED WITH. PLACARD INSTALLED. RESEATED NR 1 ADC AND NR 1 GS CIRCUIT BRAKERS, CHECKED OK CODE 1. REMOVED AND REPLACED TAWS COMPUTER AND REINSTALLED REA D934-5762. OPS CHECK GOOD IAW DC9 AMM 34-15-00. TEARDOWN RESULTS FROM R/O 501584251. ARINC RECEPTACLE/FILTER BOARD SCRAPPED TO ENGINEERING FOR ANALYSIS. ENGINEERING RESULTS FOR S/N A040501281 FOUND PIN A31 SHORTED TO BOTH 28V AND GROUND.