Service difficulty report · Beam · Boeing 747243B

Difficulty date
June 4, 2010
Submitted
June 4, 2010
Operation
Air carrier
Filed by
VGQY082L
St Engineering Aerospace Services Company Pte. Ltd
Aircraft
N820SA
Make and model
Boeing 747243B
Aircraft serial
23476
Aircraft time
84,534 hours, 13,992 cycles
Part
Beam
Part number
65B07942504
Condition
Cracked
Location
Nlg Ww
Stage of operation
IN
How discovered
E
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

HFEC INSP FOUND 01EA CRACK APPROX 0.5 INCH ON NOSE WHEEL WELL VERTICAL BEAM WEB (COMMON TO OUTER CHORD AREA) AT RT STA 300 WL 186. RT STA 300 WEB ASSY P/N 65B07942-504 CRACKED AT TWO (2) LOCATIONS BETWEEN WL 170 TO WL 190 COMPLIED WITH EN1097-10. INSPECTION REQUIRED AT THE REPAIR AREA, STARTING WITHIN 1,500 FLIGHT CYCLES AFTER THE TIME OF REPAIR. NEW FAA APPROVAL CONTAINS THE INSPECTION REQUIREMENTS MUST BE ISSUED PRIOR TO THE INSPECTION THRESHOLD OF 15, 492 TOTAL AIRFRAME CYCLES.