SDR DALA2016030301788

Service difficulty report · Counterbalance · Boeing 75726D

Difficulty date: March 2, 2016
Submitted: March 9, 2016
Operation: Air carrier
Aircraft: N820DX
Make and model: Boeing 75726D
Aircraft serial: 33960
Aircraft time: 29,601 hours, 17,657 cycles
System (JASC): 5210 · Passenger/Crew Doors
Part: Counterbalance
Condition: Unknown
Location: L1 Door
Stage of operation: IN
How discovered: 9
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

L1 DOOR MAKES A POPPING SOUND WHEN DOOR IS OPENED AND CLOSED, FOUND AFTER SLIDE INSTALLATION. R & R COUNTER BALANCE AT L-1 DOOR TORQUE TUBE BODY IAW AMM 52-11-11-004-001 AND 52-11-11-404-007, OPS CHECK GOOD, NO POPPING SOUND NOTED, DOOR ADJUSTMENT, ACCOMPLISHED ON CARD NR 52-11-9001-1L, REV MAY 2015.

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