What was found
#1 ENGINE BLEED AIR WILL NOT SHUT OFF. GROUNDED - YES. REMOVED AND REPLACED THE BLEED AIR REGULATOR PER B737-900 AMM 36-11-03-000/400-801.
- Difficulty date
- August 23, 2022
- Submitted
- August 24, 2022
- Operation
- Air carrier
- Aircraft
- N472AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60580
- Aircraft time
- 27,588 hours, 8,515 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Regulator
- Part number
- 1074926
- Part serial
- 10332
- Condition
- Failed
- Location
- #1 Engine
- Part time
- 52,532 hours, 16,725 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.