What was found
NO LAND 3 IN ASA AFTER ADIRU ALIGNED. MCDP TEST 30 FAILED "ADC-I RU R" WITH INTERMITTENT NR2 IVSI INOP. FLAG IN VIEW. NEW IVSI AND ADC, NO HELP. NEW IRU CORRECTED PROBLEM. ORIGINAL IVSI AND ADC REINSTALLED--ALL UNITS TEST OK.
- Difficulty date
- December 18, 2010
- Submitted
- December 20, 2010
- Operation
- Air carrier
- Aircraft
- N544UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25322
- Aircraft time
- 72,131 hours, 20,757 cycles
- System (JASC)
- 2200 · Auto Flight System
- Part
- Iru
- Part number
- HG1050AE10
- Part serial
- 320
- Condition
- Faulty
- Location
- Right
- 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.