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

FLOORBEAM VERTICAL INTERCOSTAL BET STA 345-365, RBL 47 HAS CORROSION AS MARKED. BLENDED AREA & REMOVED CORR IAW SRM 51-10-02. OUT OF LIMITS IAW SRM 53-00-51, FIG 101, SHEET 3. REMOVED FLOOR SUPPORT BEAM VERTICAL INTERCOSTAL IAW SRM 51-40-02 & 3 EA ANGLES FABRICATED NEW FLOORBEAM VERTICAL INTERCOSTAL ON STAM TRAVELER T11/878461, LOCATED AND DRILLED NEW FLOORBEAM VERT INT IAW SRM 51-40-05.