SDR DALA13047306811

Service difficulty report · Transition Panel · Boeing 757231

Difficulty date: September 21, 2013
Submitted: September 27, 2013
Operation: Air carrier
Aircraft: N705TW
Make and model: Boeing 757231
Aircraft serial: 28479
Aircraft time: 56,422 hours, 15,877 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Condition: Corroded
Location: Bs 1380-1440
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

AFT CARGO DOOR CUTOUT LOWER SILL UPPER WEB UPPER SURFACE CORRODED BS 1380-1440. FOUND TO BE OUT OF LIMITS IAW SRM-53-00-53 ALLOWABLE DAMAGE 1, PG-105, DETAIL V. LOCATED AND DRILLED NEW TRANSITION PANEL IAW-SRM-51-40-05, PG-2. INSTALLED PANEL IAW SRM-51-40-02, PG-7,21 AND PS 900-2, NR 05, UPPER WEB IS TRANSITION PANEL.