Service difficulty report · Pump · Airbus A320232

Difficulty date
November 27, 2023
Submitted
November 29, 2023
Operation
Air carrier
Aircraft
N415UA
Make and model
Airbus A320232
Aircraft serial
475
Aircraft time
89,409 hours, 35,565 cycles
Part
Pump
Part number
3031863001
Part serial
MX564803
Condition
Damaged
Location
#2 Eng
Part time
767,085 hours, 728,991 cycles
Stage of operation
CR
How discovered
O
Nature of condition
K, O
Precautionary procedure
A, E

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

What was found

SHUTDOWN ENG NO 2 DUE 2LOW OIL QTY-5.0 QTY. ENG CONTD 2 WINDMILL REMAINING 35 MIN OF FLT. QT CREW REPORTS ENGINE WAS SHUT DOWN WITH OIL QTY AT 1.5QTS, WINDMILL TIME WAS APPROXIMATELY 30 MINUTES AND POSITIVE OIL PRESSURE WAS MAINTAINED AND AT LANDING OIL QTY STILL SHOW APPROXIMATELY 1QT. FOUND MASTER CHIP DETECTOR AT BOTTOM OF ENGINE FAN COWL. SUGGEST NEW MASTER CHIP DETECTOR ASSEMBLY. CONFIRMED OIL STILL IN OIL TANK VIA PRESENCE OF OIL IN TANK SIGHT GLASS AND ECAM READING OF 1.5 ON ENGINE PAGE. SEE PHOTOS. POST FLIGHT REPORT UPDATE. REMOVED AND REPLACED MAGNETIC CHIP DETECTOR PER AMM 79-22-45. PERFORMED 5 MIN IDLE RUN. NO LEAKS NOTED. FOUND CHIP DETECTOR ORING DETERIORATED. SEE PHOTOS. PARTS USED: 00-0584-3-1317,QTY :1 ADD EMP:U383821 VERIFIED CORRECT INSTALL OF 7 CHIP DETECTORS, ENGINE RUN IDLE RUN GOOD. PERFORMED 5 MIN IDLE RUN AND LEAK CHECKED MCD HOUSING AND BAYONET. ALSO INSPECTED ALL REMAINING CHIP DETECTORS FOR SAFETY AND SECURITY AND LEAKS. UPON INITIAL INVESTIGATION, FOUND #2 ENGINE FIRE HANDLE PULLED. RESET FIRE HANDLE AND PERFORMED 5 MIN IDLE RUN. HYD Y ENG 2 PUMP LO PR DISPLAYED ON UPPER ECAM. SUSPECT ENG 2 HYD PUMP CAVITATED DUE TO WINDMILLING. PULLED #2 ENGINE HYDRAULIC PUMP PER AMM 29-11-51. FOUND INTERNAL SHAFT DAMAGED. REPLACING #2 ENG HYDRAULIC PUMP PER AMM 29-11-51. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1665625 SN OFF 4803 PUMP, HYD ENG D OFF 19-2910-9-0003 4803 ON 0000 PUMP, HYD ENG D OFF 19-2910-9-0003 4803 ON 19-2910-9-0003 7732 VERIFIED HYDRAULIC PU

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