What was found
DURING APPROACH UPON FLAP EXTENSION, THE NR 1 HYDRAULIC QUANTITY DROPPED TO ZERO. SECURED NR 1 HYDRAULIC SYSTEM AND AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE TRAILING EDGE FLAP CONTROL MODULE. OPERATIONAL CHECK OK.
- Difficulty date
- April 22, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N618US
- Make and model
- Boeing 747251F
- Aircraft serial
- 21122
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Control Module
- Part number
- 2680222M6
- Condition
- Leaking
- Location
- Te Flaps
- Part time
- 28,045 hours
- Stage of operation
- AP
- Nature of condition
- K, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.