SDR ASAA2013110196433

Service difficulty report · Shroud · Boeing 7374Q8

Difficulty date: November 1, 2013
Submitted: November 18, 2013
Operation: Air carrier
Aircraft: N754AS
Make and model: Boeing 7374Q8
Aircraft serial: 25095
Aircraft time: 67,185 hours, 38,632 cycles
System (JASC): 4910 · APU Cowling/Containment
Part: Shroud
Part number: 656891023
Condition: Cracked
Location: Bs 1129
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

DURING ACCOMPLISHMENT OF T/C 48749002, STEP 3D FOUND APU AIR INLET DUCT OUTER FLANGE, ON UPPER SHROUD, BENT AND CRACKED ON LWR FWD CORNER, WHERE IT MATES TO TORQUE BOX LINER, ACFT GROUNDED. R & R APU AIR INLET DUCT OUTER FLANGE IAW SRM 51-40-02-0G-0.

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