What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS 4000' ON ILS #1 BLEED FAULT WITH A PRESURIZATION SURGE OF + 200'TO -300FT. MAINTENANCE REMOVED AND REPLACED PRV 4001HA IAW AMM 36-11-52-400. OPS AND LEAK CHECK OK.
- Difficulty date
- December 7, 2019
- Submitted
- December 10, 2019
- Operation
- Air carrier
- Aircraft
- N766US
- Make and model
- Airbus A319112
- Aircraft serial
- 1378
- Aircraft time
- 50,799 hours, 32,552 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Regulator Valve
- Part number
- 6774E010000
- Part serial
- 00878
- Condition
- Malfunctioned
- Location
- Nr 1 Bleed
- Part time
- 56,195 hours, 6,756 cycles
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- J, S
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.