Service difficulty report · Keelbeam · Boeing 727233

Difficulty date
August 10, 2008
Submitted
September 10, 2008
Operation
Air carrier
Aircraft
N223FE
Make and model
Boeing 727233
Aircraft serial
20935
Aircraft time
57,860 hours, 36,209 cycles
Part
Keelbeam
Part number
6518636155
Condition
Cracked
Location
Zone 100
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

LEFT KEEL BEAM CHORD IS CRACKED AT STA 880. REMOVED AND DISCARDED EXISTING GUSSET PLATE AND FASTENERS COMMON TO THE KEEL BEAM CHORD IAW FEDEX EA 7-5310-117026. VERIFIED END OF CRACK USING HFEC IAW B727 NDTM 51-00-00 FIG 1. TRIMMED UPPER FLANGE OF KEEL BEAM CHORD, FABRICATED REPAIR DOUBLER, AND INSTALLED REPAIR DOUBLER IAW FEDEX EA 7-5310-117026, MLG WHEEL WELL KEEL BEAM CRACK AT BS 872 - REPAIR.