What was found
DURING TAXI LEFT DUCT PRESS INDICATES ZERO. GROUNDED - YES. REPLACED BAR PER AMM 36-11-03 AND PRSOV PER AMM 36-11-04. REPAIR CONFIRMATION SUCCESSFUL PER FIM 36-10 TASK 805. GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- September 19, 2017
- Submitted
- September 20, 2017
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 19,230 hours, 6,217 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Regulator
- Part number
- 1074926
- Part serial
- 15093
- Condition
- Failed
- Location
- Bleed Air Sys
- Part time
- 19,228 hours, 6,216 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.