SDR UALA2011060902845

Service difficulty report · Module · Boeing 757222

Difficulty date: June 9, 2011
Submitted: June 10, 2011
Operation: Air carrier
Aircraft: N575UA
Make and model: Boeing 757222
Aircraft serial: 26689
Aircraft time: 60,880 hours, 22,592 cycles
Engine: Pwa PW2037
System (JASC): 3260 · Landing Gear Position and Warning
Part: Module
Part number: 257T110314
Condition: Faulty
Location: Cockpit
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

GEAR DISAGREE LIGHT ILLUM. DEBRIEFED CREW AND NOTED GEAR AMBER LIGHT ILLUMINATED WITH ASSOCIATED GEAR DISAGREE EICAS MSG. THIS HAPPENS 3X DURING GEAR CYCLES ON FINAL AND GO-AROUND. PSEU SHOWS FAULTS 421,422 ,423,424. FIM SHOWS REPLACE LANDING GEAR LEVER ASSY M937 AVAIL SFO 170-0698. REPLACED LANDING GEAR LEVER MODULE M937, PER MM. SWUNG GEAR PER MM, SYSTEM CKS GOOD.