Service difficulty report · Acm · Boeing 777222

Difficulty date
February 27, 2023
Submitted
February 27, 2023
Operation
Air carrier
Aircraft
N796UA
Make and model
Boeing 777222
Aircraft serial
26931
Aircraft time
100,161 hours, 13,379 cycles
Part
Acm
Part number
27211190001
Condition
Smoke
Location
L Acm
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

STATUS MSG PACK ACM L AFTER LANDING L/H ACM SEIZED, FAILED TORQUE CHECK, REF FIM 21-52 TASK 818. REMOVED ACM L PER AMM 21-52-02 COMPLETED INSTALLATION OF ACM IN REF TO AMM 21-52-02-400-801 UP TO ITEM J, ACM INSTALLATION TEST PASSED AND CONDENSER TEST ACCEPTABLE. PARTS USED: 27-2111-9-0001,QTY :1 ADD EMP:U108974,U393448 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1152175 SN OFF 0017 IPC REFERENCE # 21-52-02-01 ACCOMPLISHED OIL CONTAMINATION REMOVAL FROM AIR CONDITIONING AND PNEUMATIC SYSTEMS. IAW AMM 21-00-01-100-801 OPS CK GOOD. NO SMELL IN THE WHOLE CABIN AND OR SIGNS OF EXHAUST GASES. MACHINE, AIR CY OFF 27-2111-9-0001 8017 ON 27-2111-9-0001 1078