Service difficulty report · Stiffener · Boeing 757232

Difficulty date
October 13, 2015
Submitted
October 15, 2015
Operation
Air carrier
Aircraft
N650DL
Make and model
Boeing 757232
Aircraft serial
24390
Aircraft time
86,155 hours, 37,155 cycles
Part
Stiffener
Condition
Corroded
Location
Bs 1715
Stage of operation
IN
How discovered
9
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

MAIN CABIN AFT CHECK PLATE BS 1715, RB 49 FLOOR SUPPORT STIFFENER CORRODED. REMOVED CORRODED STIFFENER FROM AFT DECK PLATE, BS 1715, RBL 49. FABRICATED NEW FROM 70750.071 PO ST-00006180, DIM 10.85" X 2" HEAT TREATED TO 7075T6, AND INSTALLED IAW SRM 51-40-02 AMM 51-21-15, FAS 0115, REV .012 + DWG 146N5300, REV E , ED.