What was found
CRACKED EXHAUST DUCT OF APU BETWEEN LONGERON 12 RT AND 14 RT BS 1401 TO BS 1416. CRACKS EXHAUST DUCT OF APU WERE REPAIRED, WELD CRACKS IAW ER/A 473221-14MA REV ORIGINAL.
- Difficulty date
- March 14, 2016
- Submitted
- March 15, 2016
- Operation
- Air carrier
- Aircraft
- N904DE
- Make and model
- Doug MD88
- Aircraft serial
- 53409
- Aircraft time
- 62,883 hours, 45,830 cycles
- System (JASC)
- 4980 · APU Exhaust System
- Part
- Exhaust Duct
- Condition
- Cracked
- Location
- Apu
- 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.