What was found
AFTER APU START AT FL350, EICAS RAT UNLOCKED LIGHT ILLUMINATED. SUSPECT RAT DOOR SLIGHTLY OPEN WITH POWER TRANSIENT. NO VIBRATION FELT. REFLY. RMV'D & RPLC'D S369 RAT UP LIMIT SWITCH PER MM. OPS CHECKED GOOD PER MM.
- Difficulty date
- March 12, 2012
- Submitted
- April 13, 2012
- Operation
- Air carrier
- Aircraft
- N642UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25092
- Aircraft time
- 88,158 hours, 14,091 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2920 · Hydraulic System, Auxiliary
- Part
- Switch
- Condition
- Faulty
- Location
- Rat
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.