What was found
SATCOM SYS FAILS OR NO BUS ACTIVITY. STATUS MSG02- NOT ACTIVE CRUISE INTERMITTENT; SATELLITE DATA UNIT (LT) HAS AN INTERNAL FAULT ON COMMUNICATION CHANNEL 1. REPLACED SDU. OPS GOOD.
- Difficulty date
- June 9, 2010
- Submitted
- June 18, 2010
- Operation
- Air carrier
- Aircraft
- N791UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26933
- Aircraft time
- 55,900 hours, 8,254 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 2300 · Communications System
- Part
- Satcom
- Part number
- 8220314102
- Part serial
- 18
- Condition
- Failed
- Location
- Left
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.