What was found
AIRCRAFT IN BASE MAINTENANCE. CORROSION ON AFT CARGO L3 EXIT DOOR LOWER SILL (WEB) AT STRINGER 17L BETWEEN STATION 1320 AND 1360. REPLACED LOWER SILL (WEB) PER SRM 51-40-02 AND 51-40-05.
- Difficulty date
- April 5, 2017
- Submitted
- April 12, 2017
- Operation
- Air carrier
- Aircraft
- N939UW
- Make and model
- Boeing 7572B7
- Aircraft serial
- 27303
- Aircraft time
- 73,241 hours, 26,998 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Door Sill
- Part number
- 146N832622
- Condition
- Corroded
- Location
- Fuselage
- 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.