SDR DALA2019101185849

Service difficulty report · Structure · Boeing 757231

Difficulty date: October 7, 2019
Submitted: October 11, 2019
Operation: Air carrier
Aircraft: N705TW
Make and model: Boeing 757231
Aircraft serial: 28479
Aircraft time: 81,874 hours, 20,897 cycles
System (JASC): 5230 · Cargo/Baggage Doors
Part: Structure
Condition: Worn
Location: Aft Cargo Door
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

WEAR ON LOWER FWD CORNER, AT AFT CARGO DOOR. LOWER FWD CORNER , AT AFT CARGO DOOR WAS REPAIRED PER B757-200 SRM 52-30-01 REPAIR 4, REPAIR INSTRUCTION 11 THROUGH 13 FIGURE 201, TABLE I AND II. MAINTENANCE REQUERIMENTS WERE VERIFIED AND FOLLOWING ACTIONS ARE NEEDED: INSPECTION THRESHOLD 37,500 FLIGHT CYCLES AFTER AIRPLANE DELIVERY OR PERFORM REPETITIVE LFEC EVERY 3000 FLIGHT CYCLES AFTER REPAIR WAS INSTALLED PER B757-200 SRM 52-30-01, REPAIR 4 TABLE IV. (CURRENTLY A/C HAS 20,897 CYCLES).