As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING TSR711826 FOR #2 ENGINE EGT EXCEEDANCE TROUBLESHOOTING AND CHECKING FOR ENGINE BLEED AIR DISTRIBUTION SYSTEM LEAKS PER B737-800 FIM 71-06 TASK 805, FOUND PRSOV LEAKING FROM MANUAL OPEN/CLOSE SELECTOR. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE PRSOV IAW B737-800 AMM 36-11-04, PERFORMED ENGINE BLEED AIR CROSSOVER OPS TEST AND POWER ASSURANCE TEST IAW AMM 36-11-00-801 & 71-00-00-700-813, ALL OPS CHECKS PASSED, NO LEAKS FOUND.