What was found
PDIS 990 30-30 7688 19MAY21 MEM FACT U LOGPAGES:2903863 TAT PROBE AND ASSOCIATED EICAS MSG ON CLIMB OUT, EMERGENCY DECLARED APON LANDING SHGN 19MAY21 19:10 MEM U REFERENCE WDM 34-12-11, 34-12-12 & 30-33-11. DURING DISASSEMBLY OF CONNECTOR D2774 FOR REPLACEMENT, FOUND WIRE W2271-2502B-20 BROKEN AT PIN 5. RETERMINATED WIRE W2271-2502B-20 AND REPLACED CONNECTOR D2774 IAW SWPM 20-61-11. REQUIRES CLOSE-UP AND OPS CHECK. UPDT 19MAY21 20:01 MEM U REMOVED TAT PROBE P/N 102LJ2AG S/N B36172 AND REPLACED WITH TAT PROBE P/N 102LJ2AG S/N B37062 IAW B757 AMM 34-12-02-4. TAT PROBE TEST GOOD. TEST OF TAT PROBE BLEED AIR OPERATION GOOD. NO FAULTS OR LEAKS NOTED. A/C OK FOR SERVICE. FACT 19MAY21 21:36 MEM U REMOVED AND REPLACED TAT PROBE CURRENT SENSE RELAY K410 P/N 770-540-2 ITEM 10 IN IPC 30-33-71-02. IAW WDM 30-33-11 PAGE 1 AND AMM 20-11-00-2. REPERFORMED TAT PROB OPS CHECKS PER B757 AMM 34-12-02-4. OPS CHECKS GOOD. A/C OK FOR SERVICE.