What was found
NR 1 ENGINE TURBINE OIL SCUPPER DRAIN EXHAUST CRACKED. REPLACED CORE COWL IAW MM 71-11-06 P 401.
- Difficulty date
- July 23, 2013
- Submitted
- August 22, 2013
- Operation
- Air carrier
- Aircraft
- N178UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24385
- Aircraft time
- 94,830 hours, 11,361 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5410 · Nacelle/Pylon, Main Frame
- Part
- Scupper
- Condition
- Cracked
- Location
- Nr 1 Engine
- 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.