Service difficulty report · Reservoir · Boeing 757351

Difficulty date
November 12, 2025
Submitted
November 13, 2025
Operation
Air carrier
Aircraft
N583NW
Make and model
Boeing 757351
Aircraft serial
32983
Aircraft time
78,060 hours, 25,701 cycles
Part
Reservoir
Part number
404002
Part serial
0731
Condition
Out Of Tolerance
Location
Zone 800
Part time
45,933 hours, 16,579 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

IN REFERENCE TO AMDS 5211-3001-1L: POWER RESERVOIR OF 1L DOOR WAS FOUND WITH LOWER PRESSURE. RESERVOIR ASSY OF L1 DOOR WAS REMOVED AND SERVICEABLE RESERVOIR ASSY WAS INSTALLED PER B757-300 AMM 52-11-30. (1300018)