What was found
ECM HAS PARAMETER SHIFTS DETECTED AT CRUISE & TAKEOFF. NO MESSAGES DOWNLINKED. REPLACED CONTROLLER PER MM 36-11-08. BITE CHECKED GOOD PER MM.
- Difficulty date
- December 19, 2011
- Submitted
- January 13, 2012
- Operation
- Air carrier
- Aircraft
- N646UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25283
- Aircraft time
- 86,282 hours, 13,886 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 3620 · Pneumatic Indicating System
- Part
- Controller
- Part number
- 77328915
- Part serial
- 54840925
- Condition
- Failed
- Location
- Ecm
- 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.