What was found
L/E PNL SUPPORT RIB FOUND CRACKED AT WS 1420 JUST O/B OF NR 1 L/E FLAP PDU. L/E PNL SUPPORT RIB REPAIRED AS PER HX RS NR R57-41-35209 JUST AT WS 1420 O/B OF NR 1 L/E FLAP PDU. REFER UPS EO NR B747-5740-21328-A
- Difficulty date
- October 29, 2004
- Submitted
- November 19, 2004
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 73,613 hours, 17,591 cycles
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Rib
- Condition
- Cracked
- Location
- Lt Wing
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.