SDR DALA2019100295637

Service difficulty report · Frame · Boeing 757251

Difficulty date: September 29, 2019
Submitted: October 2, 2019
Operation: Air carrier
Aircraft: N539US
Make and model: Boeing 757251
Aircraft serial: 26486
Aircraft time: 71,392 hours, 26,976 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Dented
Location: Bs 1600
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

DENT FOUND IN AFT CARGO ON LOWER FRAME STA 1600 LH AT APPROX. STR 25. CORRECTIVE ACTION: CUT OUT DAMAGED AREA AT STA 1600 BTW STR 25 & 26. FABRICATED FRAME REPAIR AND 2 STRINGER CLIPS IAW B757 SRM 53-00-07 REP 5 INSTALLED FRAME REPAIR AND 3 EA STRINGER CLIPS AT STA 1600 BTW STR 24 L TO 26 L IAW B757 SRM 53-00-07 REP 5 DETAIL III INSPECTION THRESHOLD IS ZONE 1 CATEGORY B REPAIR 37,000 FLIGHT CYCLES AFTER REPAIR INSTALLATION OR 50,000 AIRFRAME FLIGHT CYCLES WHICH EVER COMES FIRST.