Service difficulty report · Intercostal · Boeing 757251

Difficulty date
April 16, 2011
Submitted
April 18, 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
Fuselage
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

FLOORBEAM VERTICAL INTERCOSTAL AT STA 365-377 RBL 44 UPPER SURFACE HAS CORROSION AT MARKED. FOUND OUT OF LIMITS IAW SRM 53-00-51 FIG 101 ORIGINAL MAT'L .053 LOSS MAT'L .014, REMAINING MAT'L .039, REMOVED BEAM & ANGLES. RECEIVED PART (BEAM) DA-141N5185-24 ON STAM TRAVELER T11/878288 BATCH 0001948092, LOCATED & DRILLED IAW SRM 51-40-05, INSTALLED NEW VERTICAL BEAM & 94EA) ANGLES IAW 51-40-02.