SDR UALA2011013100531

Service difficulty report · Switch · Boeing 777222

Difficulty date: January 30, 2011
Submitted: February 11, 2011
Operation: Air carrier
Aircraft: N779UA
Make and model: Boeing 777222
Aircraft serial: 26941
Aircraft time: 59,301 hours, 10,727 cycles
Engine: Pwa PW4077
System (JASC): 5210 · Passenger/Crew Doors
Part: Switch
Condition: Failed
Location: R4 Door
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

DOOR 4R EPAS BATTERY OP TEST, AMBER TEST LIGHT ON EPAS BATTERY. DOES NOT COME ON. FOUND DOOR OPEN SWITCH BAD. R & R SWITCH IAW MM. OPS CHECKED GOOD. ALSO THE NR4 RT PAX ENTRY DOOR EPAS RESERVOIR PRESSURE INDICATOR IS LOOSE. REPLACED RESERVOIR IAW MM, OPS CHECKED GOOD.