Service difficulty report · Pump · Boeing 737

Difficulty date
March 29, 2022
Submitted
March 31, 2022
Operation
Air carrier
Aircraft
N7746C
Make and model
Boeing 737
Aircraft serial
33934
Aircraft time
48,034 hours, 25,027 cycles
Part
Pump
Part number
66087
Part serial
660872538
Condition
Faulty
Location
#1 Engine
Stage of operation
CR
How discovered
9
Nature of condition
J, O
Precautionary procedure
B, K

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

What was found

HYDRAULIC SYSTEM A ENG 1 LOW PRESSURE LIGHT ILLUMINATED IN FLIGHT. AFTER QRH COMPLETION A SYSTEM QUANTITY WAS 20%. / [01] R&R #1 ENG EMDP PER PER AMM 29-11-11. OPS CHECKED GD.