What was found
AFTER TAKEOFF WHEN AC PACK WAS SELECTED THE L1 DOOR LIGHT ILLUMINATED, AIRCRAFT WOULD NOT PRESSURIZE. AFTER LANDING THE L1 DOOR LIGHT EXTINGUISHED. INSPECTED L1 DOOR IAW B747 MM 52-11-01 PG 601, NO DEFECTS FOUND.
- Difficulty date
- December 19, 2009
- Submitted
- December 21, 2009
- Operation
- Air carrier
- Aircraft
- N486EV
- Make and model
- Boeing 747212B
- Aircraft serial
- 20888
- Aircraft time
- 94,716 hours, 22,179 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- L1 Door
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.