Service difficulty report · Frame · Boeing 757222

Difficulty date
June 11, 2021
Submitted
June 15, 2021
Operation
Air carrier
Aircraft
N771FD
Make and model
Boeing 757222
Aircraft serial
24799
Aircraft time
81,261 hours, 31,753 cycles
Part
Frame
Part number
146N871164
Condition
Cracked
Location
Bs 1640 S14r
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 ROTO PROBE OF OPEN HOLES AT RH BS 1640 PER EO F-5310-E0344602. A CRACK INDICATION WAS NOTED IN THE BOTTOM INBD HOLE. THE CRACK IS IN THE FRAME AT APPROX. 3:00 O'CLOCK. COMPLIED WITH EA F-5310-T0361948 AND COMPLETED ALL STEPS 1-17 FUSELAGE - MAINFRAME - CRACK INDICATION AT RH STA 1640 FUSELAGE FRAME WEB AT S-14R, LOWER INBD HOLE LOCATION - FREEZE PLUG REPAIR. MAJOR REPAIR