# SDR UALA2012121207172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2012
- Submitted: January 14, 2013
- Operation: Air carrier
- Aircraft: [N212UA](https://openairdocs.org/aircraft/N212UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30218
- Aircraft time: 45,288 hours, 9,739 cycles
- Engine: Pwa PW4077
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Module
- Part number: S243W0011601
- Part serial: 44
- Condition: Faulty
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012121207172

## Discrepancy

"FMC L" MSG ON LWR EICAS.  "SATCOM SYS" INOP.  UNABLE TO ACCESS SATCOM SYS ON CDU'S.  SATCOM SYS FAILS GRD TEST, MAT FAULTS LEFT AIMS MODULE M002 -- MAINT MSG 31-5023. REF DF0323 FOR CORRELATED FAULT.  REPLACED LEFT AIM M002 PER AMM, AIM RESET TEST PASS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
