Service difficulty report · Frame · Boeing 747451

Difficulty date
April 9, 2007
Submitted
April 23, 2007
Operation
Air carrier
Aircraft
N666US
Make and model
Boeing 747451
Aircraft serial
23821
Aircraft time
74,899 hours, 9,354 cycles
Part
Frame
Condition
Cracked
Location
Bs 1265 S26l
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.

What was found

DURING "M" CHECK, FOUND CRACK IN FRAME WEB HOLE AT BS 1265 S26L. ACCOMPLISHED INTERIM REPAIR PER EA 63-208916 SECTION I. REPETITIVE INSPECTIONS TO BE ACCOMPLISHED PER SECT II EVERY 2000 CYCLES. SECTION III PERMANENT REPAIR TO BE ACCOMPLISHED BASED ON SECTION II INSPECTION FINDINGS.