What was found
CABIN MAIN DECK FLOOR BEAM HAS CORROSION AT STATION 1660, LBL 11 TO LBL 33 ON UPPER CHORD. CUTOUT DAMAGED UPPER CHORD & INSTALLED NEW SECTION IAW SRM53-60-51, RPR 1, NR 0388315.
- Difficulty date
- November 16, 2013
- Submitted
- November 19, 2013
- Operation
- Air carrier
- Aircraft
- N171UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24322
- Aircraft time
- 91,712 hours, 10,774 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- 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.