Service difficulty report · Beam · Boeing 737100

Difficulty date
August 24, 2012
Submitted
August 24, 2012
Operation
Air carrier
Filed by
Z6WR336Y
Spirit Aerosystems Inc
Aircraft
N709SW
Make and model
Boeing 737100
Aircraft serial
27843
Part
Beam
Part number
315A24035
Condition
Worn
Location
Thrust Reverser
Part time
50,695 hours
Component
Thrust Reverser · Boeing
Component part number
315A2295137
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

REF: CMM 78-31-37, REV 024, 01JUL2012, FIGURE 21 AND RELATED BOEING SERVICE BULLETIN 737-78-1071. THE 315A2403-5 BEAM (ITEM 370A), COMPONENT OF THE 315A2402-3 LATCH BEAM ASSY (ITEM 305A) HAS MATERIAL WEAR ON IT`S OUTBOARD SURFACE LOCATED 14.0 FWD FROM AFT END AND .50 UP FROM LWR EDGE. MATERIAL WEAR AREA MEASURES APPROXIMATELY .85 LONG X .045 WIDE X .013 DEEP. WEAR APPEARS TO BE THE RESULT OF CONTACT WITH THE 315A2585 SEAL RETAINER.