What was found
AIRCRAFT WAS GROUNDED: 4R DOOR ASSIST BOTTLE PRESSURE WAS LOW. MAINTENANCE REPLACED DOOR 4R EMERGENCY POWER ASSIST SUPPLY RESERVOIR PER AMM 52-11-22 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- February 5, 2019
- Submitted
- February 7, 2019
- Operation
- Air carrier
- Aircraft
- N782AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30003
- Aircraft time
- 76,939 hours, 9,233 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Reservoir
- Condition
- Low Pressure
- Location
- R4 Door
- 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.