What was found
AFTER ENGINE RUNS, NOTICED SMOKE COMING FROM THE INTERMEDIATE CASE AT THE 1 O`CLOCK POSITION ON NR 4 ENG. RAN NR 4 ENGINE FOR 10 MINUTES, NO SMOKE DURING OR AFTER RUN.
- Difficulty date
- November 19, 2011
- Submitted
- November 23, 2011
- Operation
- Air carrier
- Aircraft
- N179UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25158
- Aircraft time
- 86,101 hours, 10,451 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Unknown
- Condition
- Smoke
- Location
- Nr 4 Engine
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.