What was found
TEST FAILED WITH MESSAGE 24-47622 BACKUP GEN AIR-OIL HEAT EXCHANGER AND VALVE (RT ENGINE) DOES NOT FOLLOW COMMAND. MAINTENANCE MESSAGE 24-47 622.
- Difficulty date
- December 1, 2011
- Submitted
- December 2, 2011
- Operation
- Air carrier
- Aircraft
- N771UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26932
- Aircraft time
- 64,950 hours, 11,864 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2400 · Electrical Power System
- Part
- Heat Exchanger
- Condition
- No Test
- Location
- Back Up Gen
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L, J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.