SDR YENA2026020200102

Service difficulty report · Seal · Airbus A321271NX

Difficulty date: January 31, 2026
Submitted: February 2, 2026
Operation: Air carrier
Aircraft: N4077J
Make and model: Airbus A321271NX
Aircraft serial: 11604
Aircraft time: 8,315 hours, 1,293 cycles
System (JASC): 5220 · Emergency Exits
Part: Seal
Condition: Dirty
Location: Zone 800
Stage of operation: CR
How discovered: O
Nature of condition: E
Precautionary procedure: O

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

What was found

FLT 20, LHR - JFK (ETOPS). REPEAT WRITE UP FROM PREVIOUS LEGS IN CRUISE FLIGHT, STEADY LOUD NOISE COMING FROM AROUND VICINITY. SOUND IS CONSTANT, LOW-FREQUENCY HUM. ; PERFORMED THE VISUAL INSPECTION OF EMERGENCY EXIT DOOR SEALS IAW AMM 55-22-00-220-002-A. CLEANED AND LUBRICATED DOOR SEALS. PRESSURIZATION CHECK PERFORMED NO NOISE NOTED.

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