SDR FDEA201203090857

Service difficulty report · Web · Boeing 757236

Difficulty date: March 9, 2012
Submitted: April 4, 2012
Operation: Air carrier
Aircraft: N960FD
Make and model: Boeing 757236
Aircraft serial: 25593
Aircraft time: 63,349 hours, 20,361 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 143N832845
Condition: Corroded
Location: Door Sill
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

L2 DOOR SILL WEB, UPON REMOVAL OF SILL SUPPORT ANGLE FOUND WEB EXFOLIATED. REMOVED CORROSION, ORIGINAL MAT THICKNESS .071", REMOVED .030", REMAINING .041", FOUND TO BE OUT OF LIMITS IAW SRM 53-30-15, FIG 101, SHT 5. R & R L2 DOOR SILL WEB IAW SRM 51-40-02, BS 690-780. MAJOR REPAIR.