Service difficulty report · Reservoir · Boeing 757232

Difficulty date
June 22, 2026
Submitted
June 25, 2026
Operation
Air carrier
Aircraft
N693DL
Make and model
Boeing 757232
Aircraft serial
29725
Aircraft time
86,194 hours, 34,489 cycles
Part
Reservoir
Part number
404002
Part serial
0733
Condition
Low Pressure
Location
Zone 800
Part time
46,648 hours, 18,067 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

LOW PRESSURE ON EMERGENCY RESEVOIR AT DOORS 2R AND 4L. EMERGENCY POWER RESERVOIR AT DOORS 2R AND 4L WERE REMOVED PER AMM 52-11-30 AND SERVICEABLE EMERGENCY POWER RESERVOIR AT DOOR 2R WAS REPLACED AND VERIFIED PER AIPC: 52-11-40-01A ITEM 590. INSTALLED UNDER AMDS 2040-0191-2R AND SERVICEABLE EMERGENCY POWER RESERVOIR AT DOOR 4L WAS REPLACED AND VERIFIED PER AIPC: 52-11-30-02 ITEM 85. AND INSTALLED UNDER AMDS 2040-0191-4L STEP 19. (1660435) AIRCRAFT WAS GROUNDED