What was found
MAIN DECK STATION 1770 - 1880, RBL40 FLOOR STRUCTURE SURFACE FOUND CORROSION AFT FLOOR. FABRICATED & INSTALLED NEW INTERCOSTAL IAW DWG 140U5617, DWG 146U5611 & SRM 51-40- 01.
- Difficulty date
- April 3, 2015
- Submitted
- April 7, 2015
- Operation
- Air carrier
- Aircraft
- N199UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28717
- Aircraft time
- 70,838 hours, 8,112 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- 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.