What was found
INSPECTION TYPE:C-2, NR 1 PYLON - RESERVOIR LT STRUCTURE RIB CRACK FOUND AS MARKED. NR 1 PYLON HYD RESERVOIR LT RIB REPLACED PER SRM 51-10-01. LEAK CHECKED SATISFACTORY PER MM 29-11-00.
- Difficulty date
- May 11, 2001
- Submitted
- May 21, 2001
- Operation
- Air carrier
- Aircraft
- N671UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20323
- Aircraft time
- 72,316 hours, 20,588 cycles
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Nr 1 Pylon
- 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.