What was found
CREW REPORTED SATCOM HIGH AND LOW GAIN ARE BOTH INOPERATIVE. NO DATALINK AND NO VOICE AVAILABLE. REPLACED THE HIGH POWER AMPLIFIER PER AMM. ACCOMPLISHED SATCOM SYSTEM GROUND TEST PER AMM. TESTED GOOD.
- Difficulty date
- April 18, 2013
- Submitted
- June 6, 2013
- Operation
- Air carrier
- Aircraft
- N175UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24382
- Aircraft time
- 88,695 hours, 9,999 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2300 · Communications System
- Part
- Amplifier
- Part number
- 8220953001
- Part serial
- 68
- Condition
- Failed
- Location
- Satcom
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.