What was found
AIRCRAFT IN BASE MAINTENANCE. DURING BATTERY TEST FOUND L1 DOOR RESERVOIR PRESSURE INDICATOR READ ZERO. REPLACED EMERGENCY POWER ASSIST SYSTEM RESERVOIR ASSEMBLY, PER AMM 52-11-22. PERFORMED OPERATIONS CHECK, PER AMM 52-11-20-7.
- Difficulty date
- January 8, 2021
- Submitted
- January 12, 2021
- Operation
- Air carrier
- Aircraft
- N756AM
- Make and model
- Boeing 777223
- Aircraft serial
- 30264
- Aircraft time
- 72,342 hours, 9,327 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Reservoir
- Part number
- 410045091
- Condition
- Low Pressure
- Location
- L1 Door Assist
- 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.