As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - EMERGENCY LANDING - FLT 541 - ON APPROACH INTO PHX, COMING FROM DFW, CREW REPORTED FLAPS WOULD NOT EXTEND PAST 1 DEGREE IN NORMAL POSITION. IN ALTERNATE POSITION, FLAPS EXTENDED TO 15 DEGREES. CREW DECLARED EMERGENCY FOR PRECAUTIONARY PURPOSES AND LANDED IN PHX WITHOUT FURTHER INCIDENT. PASSENGERS WERE NOT BRACED. MAINTENANCE REMOVED AND REPLACED THE FLAP POSITION INDICATOR IAW TASK CARD R1B27001. OPERATIONAL CHECKS WERE GOOD.