Service difficulty report · Intercostal · Boeing 757251

Difficulty date
April 27, 2011
Submitted
April 28, 2011
Operation
Air carrier
Aircraft
N531US
Make and model
Boeing 757251
Aircraft serial
23846
Aircraft time
72,678 hours, 29,915 cycles
Part
Intercostal
Condition
Corroded
Location
Bs 345-365
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

RT DOOR ENTRANCE VERTICAL INTERCOSTAL AT STA 345-365 UPPER & LWR SURFACE HAS CORROSION SEVERAL PLACES AROUND HOLES, AS MARKED. REMOVED CORROSION IAW SRM 51-10-01 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51. REMOVED DOOR ENTRANCE (RT) VERTICAL INTERCOSTAL IAW SRM 51-40-02. FABRICATED PART ON STAM TRAVELER T11/878289 MAT 7075-0 .050C. INSTALLED RT DOOR ENTRANCE VERTICAL INTERCOSTAL IAW SRM 51-40-02.