SDR Z6WR201605190010

Service difficulty report · Panel · Boeing 737752

Difficulty date: May 17, 2016
Submitted: May 19, 2016
Operation: General aviation
Filed by: Z6WR336Y
Spirit Aerosystems Inc
Make and model: Boeing 737752
Aircraft serial: 35123
Aircraft time: 31,985 hours, 15,147 cycles
Engine: Cfmint CFM567B20
System (JASC): 7830 · Engine Thrust Reverser
Part: Panel
Part number: 315A2101174
Condition: Burned
Location: Thrust Reverser
Part time: 31,985 hours, 15,147 cycles
Component: Thrust Reverser · Boeing
Component part number: 315A2295221
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

UPON REMOVAL OF THE 315A2130 BLANKET INSTALLATION, VISUAL AND ULTRASONIC INSPECTION OF THE 315A2101-174 BONDED PANEL ASSY, CMM 78-31-26, FIGURE 6, ITEM 40A REVEALED, 3 AREAS OF THERMAL DEGRADATION RESULTING IN DISBOND, DELAMINATION C/T THE -174 BONDED PANEL ASSY IML. ALSO NOTED THAT THE 315A2137-2 COOLING VENT BUSHING IS 100 PERCENT BLOCKED ON INBD END.