What was found
BS 2080 STR 35R EXTERNAL SKIN CORRODED AND .5" CRACK AT WASTE VENT OUTLET. INSTALLED REPAIR DOUBLER & TRIPLER PER SRM. OK FOR SERVICE. SUSPECT CORROSION RELATED TO VENT EMISSION & PRESSURIZATION CYCLES.
- Difficulty date
- November 16, 2006
- Submitted
- November 27, 2006
- Operation
- Air carrier
- Aircraft
- N171UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24322
- Aircraft time
- 65,133 hours, 7,953 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5330 · Fuselage Main, Plate/Skin
- Part
- Skin
- Condition
- Damaged
- Location
- Bs 2080 S35r
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.