What was found
NR 1 ENG BLEED AIR REGULATOR FAILED HEALTH CHECK. REMOVED AND REPLACED AND PERFORMED INSTALLATION TEST GOOD OF NR 1 ENG BLEED AIR REGULATOR REF B737 800 AMM 36 11 03 400 801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 ENG BLEED AIR REGULATOR FAILED HEALTH CHECK. REMOVED AND REPLACED AND PERFORMED INSTALLATION TEST GOOD OF NR 1 ENG BLEED AIR REGULATOR REF B737 800 AMM 36 11 03 400 801.