What was found
PHX/SFO - FLT 0602 - AIR TURN BACK. INERTIAL REFERENCE UNIT (I.R.U.) DATA LOST ON BOTH CAPTAIN AND FIRST OFFICER'S SIDES. REPLACED NR 1 I.R.U. PER MM 34-28-01 AND TESTED BOTH I.R.U.'S PER MM 34-28-01, PAGE 501. NO FAULTS NOTED. (X)
- Difficulty date
- December 13, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N309AW
- Make and model
- Boeing 7373G7
- Aircraft serial
- 24711
- System (JASC)
- 3441 · Inertial Guidance System
- Part
- Iru
- Part number
- HG1050AD04
- Condition
- Failed
- Location
- Nr 1
- Stage of operation
- UK
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.