What was found
AFT CARGO LAV TANK DRAIN PAN AT WATER SERVICING TUBE UNION NUTPLATES AREA CORRODED. R&R INTERCOSTAL ASSEMBLY PER SRM & DWG.
- Difficulty date
- September 15, 2017
- Submitted
- October 5, 2017
- Operation
- Air carrier
- Aircraft
- N557WN
- Make and model
- Boeing 737790
- Aircraft serial
- 30166
- Aircraft time
- 55,212 hours, 25,579 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 146A7400
- 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.