What was found
PRSOV ON THE NR 1 ENGINE FAILED THE MANUAL WRENCH CHECK (BINDS), PER T/C N8010004. GROUNDED-YES. REPLACED THE NR 1 ENGINE PRSOV, REF AMM 36-11-04. OPERATIONS TEST PASSED.
- Difficulty date
- November 25, 2020
- Submitted
- December 1, 2020
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 28,760 hours, 9,293 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 32145526
- Part serial
- 14513
- Condition
- Binding
- Location
- Nr 1 Pneumatic
- Part time
- 28,760 hours, 9,293 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.