- Difficulty date
- March 11, 2012
- Submitted
- April 24, 2012
- Operation
- Air carrier
- Aircraft
- N199UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28717
- Aircraft time
- 58,984 hours, 6,943 cycles
- Engine
- Pwa PW4056
- Part
- Clamp
- Part number
- NAS1716D12T
- Condition
- Broken
- Location
- Nr 4 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.
What was found
2EA CONDUITS ASSY WORN THROUGH AND CLAMPS BROKEN. REF IPC-54-51-70-002A, REMOVED 6EA CLAMPS, 2EA BROKEN ALSO REMOVED CONDUIT TEES. ALSO SEE IPC-54-51-70-011. NR 4 PYLON SAILTAIL. RPL REPAIRED WIRE BUNDLE. REF:WDM29-33-12 & WDM29-34-11 & WDM73-21-84 FROM WIRE SHOP. ALSO IPC 54-51-70-002A & IPC 54-5170-011. NEEDS OP CKS. RPL 6 CLAMPS PCN 756-4459 REF IPC 54-51-70-002A DURING RPL OF CONDUIT SEE DF0773.