What was found
INSPECTION TYPE:C, LT WING SURGE TANK DRAIN PIPE FLANGES FOUND CORRODED AT WS 889.5 AND WS 982 TWO PIPES IN TOTAL. TWO SURGE TANK DRAIN PIPES REPLACED IAW MM 28-21-19.
- Difficulty date
- July 22, 2000
- Submitted
- October 13, 2000
- Operation
- Air carrier
- Aircraft
- N691UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19641
- Aircraft time
- 95,273 hours, 22,812 cycles
- System (JASC)
- 2810 · Fuel Storage
- Part
- Pipe
- Part number
- 65B922232A
- Condition
- Corroded
- Location
- Lt Wing
- 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.