What was found
DURING SCHEDULED C-11 CHECK, FOUND APU COMPARTMENT'S UPPER LONGERON HAD STRESS CORROSION BEYOND LIMITS; FS 447 TO FS 491, LBL 85, WL 180. REPAIR BY REPLACEMENT ACCOMPLISHED IAW SMP 583, CHAPTER 51-60 AND 51-70, NR 2226.
- Difficulty date
- March 18, 2015
- Submitted
- March 20, 2015
- Operation
- Air carrier
- Aircraft
- N405LC
- Make and model
- Lkheed 382G
- Aircraft serial
- 5025
- Aircraft time
- 39,899 hours, 16,848 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Longeron
- Part number
- 33111299
- Condition
- Corroded
- 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.