What was found
NR 1 ENGINE VIBRATION INDICATION INOPERATIVE, AIR TURN BACK. BOTH DIGITAL AND ARROW INDICATOR. R & R LT AVM SIGNAL CONDITIONER IAW MM 7KK7-31-03. OPS CHECKED OK.
- Difficulty date
- September 7, 2012
- Submitted
- September 10, 2012
- Operation
- Air carrier
- Aircraft
- N460UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25481
- Engine
- Rroyce RB211535E4
- System (JASC)
- 7730 · Engine Ignition Analyzer System
- Part
- Signal Cond Unit
- Condition
- Inoperative
- Location
- Nr 1 Eng
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.