What was found
***CORROSION*** ON APU CAVITY LEFT HAND INSULATION BLANKETS LOWER ATTACH POINT AT B.S. 1090-1154. LBL 23 / REMOVED AND REPLACED LH LOWER ANGLE ON APU CAVITY PO# 784374-1 IAW SRM 51-40-02; DWG 148A8600 AND DWG 148A8615
- Difficulty date
- February 25, 2020
- Submitted
- April 8, 2020
- Operation
- Air carrier
- Aircraft
- N552WN
- Make and model
- Boeing 7377BX
- Aircraft serial
- 30744
- Aircraft time
- 59,169 hours, 33,658 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Angle
- 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.