Service difficulty report · Web · Boeing 737800*

Difficulty date
March 12, 2014
Submitted
March 12, 2014
Operation
General aviation
Filed by
Z6WR336Y
Spirit Aerosystems Inc
Make and model
Boeing 737800*
Aircraft time
45,764 hours, 26,046 cycles
Engine
Cfmint CFM567B27
Part
Web
Part number
315A223710
Condition
Cracked
Location
Thrust Reverser
Part time
45,764 hours, 26,046 cycles
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

AFT WEB HAS A VISIBLE CRACK MEASURING 2.4 INCHES LONG IN THE RADIUS OF THE OUTER FLANGE BELOW THE PLUNGER FIRESEAL. VISUAL CRACK CONDITION VERIFIED IAW ULTRASONIC INSPECTION IAW NDT MANUAL PART 6, VERIFIED. ALTHOUGH NOT EFFECTIVE ON THIS THRUST REVERSER ASSY, THE CRACKING CONDITION IS SIMILAR TO TYPICAL CONDITION RELATED TO SL-78-052-B.

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