What was found
***CORROSION*** ON FUSELAGE SKIN UNDER DORSAL FIN BS905 - BS927 STR1. WL 308 MARKED / REPAIRED CORROSION ON SKIN UNDER DORSAL FIN BS905- 927 STR1 WL308 IAW ER 20-02638 REV IR AND EA 20-153-00664 REV IR
- Difficulty date
- May 21, 2020
- Submitted
- July 29, 2021
- Operation
- Air carrier
- Aircraft
- N477WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33988
- Aircraft time
- 55,517 hours, 32,839 cycles
- System (JASC)
- 5330 · Fuselage Main, Plate/Skin
- Part
- Skin
- Condition
- Corroded
- Location
- Bs 905-927 S1
- 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.