As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB OUT. ACCOMPLISHED QRH. LIGHT REMAINED ON. GROUNDED - YES. PERFORMED BLEED TRIP TROUBLE SHOOTING PER B737-900 FIM 36-10 TASK 809. FOUND HIGH STAGE VALVE NOT CLOSING ALL THE WAY. REMOVED AND REPLACED #2 ENG HIGH STAGE VALVE. OPS AND LEAK CHECKS GOOD. REF B737-900 AMM 36-11-06. RAN #2 ENG ON GROUND WHILE OPERATING BLEED AIR AND PACKS. BLEED TRIP OFF LIGHT DID NOT RETURN.