What was found
CORROSION WAS FOUND ON BALANCE WEIGHT OF LT OUTBOARD ELEVATOR. ELEV STA 306.8~331.8. REPLACED THE BALANCE WEIGHT PER B747-400 SRM 51-40-02.
- Difficulty date
- January 1, 2012
- Submitted
- February 9, 2012
- Operation
- Air carrier
- Aircraft
- N663US
- Make and model
- Boeing 747451
- Aircraft serial
- 23818
- Aircraft time
- 6,465 hours, 812 cycles
- System (JASC)
- 5520 · Elevator Structure
- Part
- Balance Weight
- Condition
- Corroded
- Location
- Lt Elevator
- 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.