Service difficulty report · Channel · Boeing 747451

Difficulty date
April 30, 2012
Submitted
June 8, 2012
Operation
Air carrier
Aircraft
N666US
Make and model
Boeing 747451
Aircraft serial
23821
Aircraft time
95,648 hours, 11,953 cycles
Part
Channel
Condition
Cracked
Location
Bs 1220
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

DURING INSPECTION FOUND ONE CRACK ON TENSION TIES FORWARD 'C' CHANNEL AT BS 1220. REPAIRED AS PER SRM 53-40-30, REPAIR 1, FIGURE 201.