SDR DALA2017050303597

Service difficulty report · Counterbalance · Boeing 757231

Difficulty date: May 2, 2017
Submitted: May 5, 2017
Operation: Air carrier
Aircraft: N711ZX
Make and model: Boeing 757231
Aircraft serial: 28481
Aircraft time: 73,276 hours, 20,318 cycles
System (JASC): 5210 · Passenger/Crew Doors
Part: Counterbalance
Condition: Malfunctioned
Location: L1 Door
Stage of operation: IN
How discovered: C
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, COUNTER BALANCE IS NOT OPERATING CORRECTLY. REMOVED AND RE-INSTALLED L1 DOOR REMOVED AND REPLACED COUNTER BALANCE. REMOVED AND REPLACED ROTARY SNUBBER AND INSTALLED NEW SPACER PER AMM 52-11-01-004-001, AMM 52-11-10-004-030, AMM 52 -11-10-404-015, AMM52-11-004-001, AMM 52-11-11-404-007, RIG CHECK ACCOMPLISHED ON CARD 2040-0191-1L, RIG CHECK GOOD.