What was found
REF TC AD20201651-NG-36-2, NR 2 ENG 5TH STG BLEED AIR CHECK VALVE FAILS INSP ON STEP NR 4. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG 5TH STG BLEED AIR VALVE, REF T/C AD20201651-NG-36-2. OPS CHECKED AND LEAK CHECKED GOOD.
- Difficulty date
- September 6, 2020
- Submitted
- September 11, 2020
- Operation
- Air carrier
- Aircraft
- N513AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35192
- Aircraft time
- 43,878 hours, 13,057 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Check Valve
- Part number
- 32022221
- Part serial
- 13411
- Condition
- Binding
- Location
- Nr 2 Bleed
- Part time
- 31,015 hours, 9,025 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.