SDR DALA14019606810

Service difficulty report · Transition Panel · Boeing 757231

Difficulty date: March 26, 2014
Submitted: March 28, 2014
Operation: Air carrier
Aircraft: N721TW
Make and model: Boeing 757231
Aircraft serial: 29954
Aircraft time: 51,875 hours, 15,141 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Condition: Corroded
Location: Aft Cargo Bay
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 BAY TRANSITION PANEL BS 1380 LT HAS SURFACE CORROSION. CUTOUT DAMAGED AREA, FABRICATED NEW TRANSITION PANEL AND INSTALLED REPAIR PARTS ALL IAW SRM. HEAT TREATED NEW TRANSITION PANEL TO 7075 T6 IAW FAS ENG REPORT 2-37153-801A, REV A.