Service difficulty report · Cusp Web · Boeing 757204

Difficulty date
November 18, 2017
Submitted
November 21, 2017
Operation
Air carrier
Aircraft
N924FD
Make and model
Boeing 757204
Aircraft serial
26267
Aircraft time
65,533 hours, 25,868 cycles
Part
Cusp Web
Part number
144N515010
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

MAIN DECK BETWEEN STA 980 - 1000 RT SIDE CUSP WEB CORRODED. REMOVED CORROSION AND EVALUATED CUSP WEB AT STA 980 - 1000 RT, ORIGINAL MAT .056", MAT REM .048" FOUND TO BE OUT OF LIMITS IAW SRM 53-40-13-1A DET III FIG 101. FORMED, LOCATED, DRILLED AND TRIMMED NEW SHEAR WEB (CUSP WEB) IAW DWG 144N5150 REV A AND C. INSTALLED NEW SHEAR WEB (CUSP WEB) AT STA 980 - 1000 RT IAW DWG 144N5150 REV A REV C.