What was found
DURING A ROUTINE GIRT BAR TEST. THE L4 DOOR SHOWED CLOSED ALL THE TIME. EICAS DOES NOT SEE L4 DOOR OPEN. REPLACED THE DOOR WARNING SENSOR PLUNGER ROD IAW AMM 52-71-00. CHECKED GOOD.
- Difficulty date
- June 21, 2018
- Submitted
- June 25, 2018
- Operation
- Air carrier
- Aircraft
- N543US
- Make and model
- Boeing 757251
- Aircraft serial
- 26490
- Aircraft time
- 68,212 hours, 26,767 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Plunger
- Condition
- Failed
- Location
- L4 Door Warning
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.