Service difficulty report · Frame · Boeing 757251

Difficulty date
October 1, 2019
Submitted
October 4, 2019
Operation
Air carrier
Aircraft
N539US
Make and model
Boeing 757251
Aircraft serial
26486
Aircraft time
71,392 hours, 26,976 cycles
Part
Frame
Condition
Dented
Location
Bs 1600
Stage of operation
IN
How discovered
O
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

(AIRCRAFT 5639, L/P 1295557) DENT FOUND IN AFT CARGO ON LOWER FRAME STA 1600 LH AT APPROX STR 25. CUT OUT DAMAGED AREA AT STA 1600 BTW STR 25 & 26 L/H IAW B757 SRM 53-00-07 REP 5 DETAIL III FABRICATED FRAME REPAIR IAW B757 SRM 53-00-07 REP 5 INSTALLED FRAME REPAIR AND 3 EA STRINGER CLIPS AT STA 1600 BTW STR 24 L TO 26L IAW B757 SRM 53-00-07 REP 5 DETAIL III INSPECTION THRESHOLD IS ZONE 1 CATAGORY B REPAIR 37,500 FLIGHT CYCLES AFTER REPAIR INSTALLATION OR 50,000 AIRFRAME FLIGHT CYCLES WHICH EVER COMES FIRST.