Service difficulty report · Pump · Boeing 737932ER

Difficulty date
August 10, 2025
Submitted
August 14, 2025
Operation
Air carrier
Aircraft
N818DA
Make and model
Boeing 737932ER
Aircraft serial
31928
Aircraft time
37,268 hours, 14,348 cycles
Part
Pump
Part number
887477
Part serial
MX775311
Condition
Odor
Location
Hyd System
Part time
37,239 hours, 14,340 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

(LOG 1136431) ELEC HYD PUMP 1 OVERHEAT WITH A BURNING ELEC ODOR IN COCKPIT. REMOVED & REPLACED #1 ELECTRIC HYD PUMP CANNON PLUG D02666 REF B737 WDM 29-34 PLUG REPLACED PER B737 SWPM CHAP 20. STEP 10. C/W 0550-9001-B737. RESEALED BONDING JUMPER ON ELECTRICAL PUMP PER B737 AMM 29-11. ALL LK CKS & OPS CK GOOD.