SDR UPS00431754

Service difficulty report · Splice Plate · Boeing 747123

Difficulty date: January 17, 2000
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N674UP
Make and model: Boeing 747123
Aircraft serial: 20100
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Splice Plate
Condition: Cracked
Location: Bs 400
Stage of operation: IN
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

INSPECTION TYPE:C 44, BS 400, STR 44 AREA LEFT AND RIGHT IN NOSE LANDING GEAR BAY, THE SPLICE PLATES AT BOTH LEFT AND RIGHT AFT CORNERS WERE CRACKED. REPAIR ACCOMPLISHED PER EO B747-5330-3520-D, SECTION 5, APPENDIX B. INSTALLED SKIN AND SPLICE STRAP DOUBLERS PER DRG 141U1099. CRACKED SPLICE PLATES REPLACED.