Service difficulty report · Floorbeam · Boeing 777222

Difficulty date
October 20, 2000
Submitted
December 12, 2000
Operation
Air carrier
Aircraft
N776UA
Make and model
Boeing 777222
Aircraft serial
26937
Aircraft time
19,156 hours, 3,869 cycles
Engine
Pwa PW4077
Part
Floorbeam
Part number
141W8517
Condition
Cracked
Location
Fuselage
Part time
19,156 hours, 3,869 cycles
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

STA 246 FLOORBEAM: THREE STIFFENERS BUCKLED IN THE FREE FLANGE AT RBL 7.88 & 26.06 AND LBL 7.88. MID-CHORD CRACKED AT RBL 43 ON THE AFT SIDE. SUPPLEMENTAL DATA UPDATE, REPLACED DISTORTED STIFFENERS PER SRM 53-10-51. REPAIRED CRACKED CHORD ANGLE PER SRM 53-10-51.