SDR CALA2022120703318

Service difficulty report · Pump · Boeing 737824

Difficulty date: December 7, 2022
Submitted: December 7, 2022
Operation: Air carrier
Aircraft: N76526
Make and model: Boeing 737824
Aircraft serial: 38700
Aircraft time: 39,636 hours, 13,583 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Condition: Faulted
Location: Hyd System
Stage of operation: DE
How discovered: O
Nature of condition: O
Precautionary procedure: B

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

What was found

HYD 1 ENG PUMP LOW PRESSURE MAINTAINED AT 3000 PSI. REMOVED ENG #1 EDP, COMPLETED REMOVAL OF ENG 1 EDP AND INSTALLED NEW EDP ON ENG 1. REPLACED #1 ENG AGB ROTATING SEAL FOR HYD PUMP. INSTALLED #1 HYD PUMP. INSTALLED NEW MAGNETIC CARBON SEAL. OPS CHECK GOOD.