What was found
APU ENCLOSURE BOTH INTERNAL UPPER STIFFENERS WELDS ARE CRACKED AT AFT FLANGE FORWARD SIDE. REPAIRED APU ENCLOSURE INTERNAL UPPER STIFFENERS IAW SUP: 16-168 AND EA CRJ249-00441 AND SUP: 16-206.
- Difficulty date
- July 14, 2016
- Submitted
- July 18, 2016
- Operation
- Air carrier
- Aircraft
- N444ZW
- Make and model
- Cndair CL6002B19
- Aircraft serial
- 7788
- Aircraft time
- 31,067 hours, 29,941 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Stiffener
- Part number
- 601R9715023
- Condition
- Cracked
- Location
- Apu Bay
- 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.