What was found
NUMBER 1 ENGINE WOULD NOT START ON PUSHBACK. START VALVE LT DID NOT ILLUMINATE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE START VALVE IAW B737-800 AMM 80-11-03 OPS CHECK GOOD AT THIS TIME.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NUMBER 1 ENGINE WOULD NOT START ON PUSHBACK. START VALVE LT DID NOT ILLUMINATE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE START VALVE IAW B737-800 AMM 80-11-03 OPS CHECK GOOD AT THIS TIME.