SDR GTIA2017110902235

Service difficulty report · Seal · Airbus A321231

Difficulty date: November 9, 2017
Submitted: November 10, 2017
Operation: Air carrier
Aircraft: N672NK
Make and model: Airbus A321231
Aircraft serial: 7246
Aircraft time: 2,849 hours, 1,181 cycles
Engine: Iae V2533A5
System (JASC): 7261 · Turbine Engine Oil System
Part: Seal
Condition: Leaking
Location: Vent
Stage of operation: NR
How discovered: O
Nature of condition: K, B
Precautionary procedure: O

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

What was found

DIRTY SOCK ODOR REPORTED IN AFT CABIN. PERFORMED SUPPLEMENTARY PROCEDURE 3.266.1. NR 2 PACK WAS SHUTDOWN AND ODOR WENT AWAY, STARTED OUR DECENT, AND THE ODOR CAME BACK WITH PACK 2 ISOLATED, IDLE POWER.. IAW TSM 05-50-00-810-831, FOUND SIGNS OF OIL ON THE NR 1 & 2 ENGINES. OVERBOARD VENTS, R & R THE SEAL ASSY & MATING RING ON THE ENGINES IAW AMM 72-60-31,72-60-29. PERFORMED IDLE-RUN ON BOTH ENGINES IAW AMM 71-00-00. OPS CHECKED OK, NO ODOR NOTED, NO LEAKS NOTED. ACFT OK FOR SERVICED.

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