Service difficulty report · Sill · Boeing 757236

Difficulty date
January 30, 2009
Submitted
February 3, 2009
Operation
Air carrier
Aircraft
N910FD
Make and model
Boeing 757236
Aircraft serial
25054
Aircraft time
50,523 hours, 16,419 cycles
Part
Sill
Part number
BAC15142700
Condition
Corroded
Location
Bs1320-1360
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

LT EMERGENCY DOOR, LOWER SILL, AT BS 1340, LOWER SURFACE IS CORRODED, AFT OF FLOORBEAM. REMOVED CORROSION ON LT EMERGENCY DOOR LOWER SILL WEB, BS 1340, LBL 60, PER SRM 51-10-02. CORROSION OUT OF LIMITS PER SRM 53-60-15, FIG 101, DETAIL 4. L=6.0", W=3.0", D=.020". REMOVED CREASE BEAM, SEAL RETAINERS FOR ACCESS PER SRM 51-40-02. FABRICATED NEW WEB ON MAE TRAVELER NR T8/776935. LOCATED, DRILLED, TREATED AND PRIMED NEW WEB PER SRM 51-40-02, 51-20-01. TOP COATED NEW WEB PER SRM 51-20-00. INSTALLED NEW WEB, AND CREASE BEAM, BRACKETS, AND RETAINERS REMOVED FOR ACCESS, AT BS 1320-1360, LBL 60, PER SRM 51-40-02. THIS REPAIR IS CLASSIFIED AS A CAT "A" MAJOR REPAIR.