What was found
LOST ALL INSTRUMENT SYSTEM POWER ON CAPTAIN'S SIDE OF FLIGHT DECK AND THE POWER FOR THE CABIN PRESSURE CONTROLLER. *S/D* MAINTENANCE REPLACED R3 TRANSFER RELAY AND NR 1 TRANSFORMER RECTIFIER, OPS CHECK OK.
- Difficulty date
- April 9, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N335UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24230
- Engine
- Ge CFM56*
- System (JASC)
- 2450 · AC Power Distribution System
- Part
- Relay
- Part number
- 91252ZC7C4001
- Condition
- Failed
- Location
- Lt Cockpit
- Component
- Boeing · 2299
- Stage of operation
- CR
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.