What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On July 19, 2019 at approx. 1519 eastern daylight time (1919Z), flight 4599, an republic airways, Embraer 170-200LR departed kphl. Flight 4599 experienced a cabin alt hi eicas message climbing thru FL330. The crew declared an emergency and descended to FL10. The flight attendants reported the O2 masks deployed in the main CABINZEBRA818!
. The aircraft returned to kphl and landed without incident. No injuries were reported to the 4 crewmembers, 75 passengers or ground personnel. The aircraft is registered to, and operated by republic airways dba American eagle under the provisions of title 14 code of federal regulations (dfr) part 121 as a scheduled air carrier. The aircraft was operated under instrument flight rules, a flight plan was filed. No weather information was reported at the time of the event. The flight departed Philadelphia International Airport, PA (kphl) about 1519 EST, scheduled to savannah/hilton head international airport (ksav).
A special flight permit moved N101HQ, flight 9878, at 2028 EST (0228Z) from kphl to kpit for maintenance. Republic airways requested Embraer assistance.
Republic airways replace the positive pressure relief valve, the altitude switch, confirmed the functional test of the cpcs channels. Replaced 42 O2 generators and stowed the O2 masks . One generic i/o module and a DC power module(spda) were replaced. A check flight confirmed the aircraft was ready for return to service.
As the FAA filed it
ON JULY 19, 2019 AT APPROX. 1519 EASTERN DAYLIGHT TIME (1919Z), FLIGHT 4599, AN REPUBLIC AIRWAYS, EMBRAER 170-200LR DEPARTED KPHL. FLIGHT 4599 EXPERIENCED A CABIN ALT HI EICAS MESSAGE CLIMBING THRU FL330. THE CREW DECLARED AN EMERGENCY AND DESCENDED TO FL10. THE FLIGHT ATTENDANTS REPORTED THE O2 MASKS DEPLOYED IN THE MAIN CABINZEBRA818!
. THE AIRCRAFT RETURNED TO KPHL AND LANDED WITHOUT INCIDENT. NO INJURIES WERE REPORTED TO THE 4 CREWMEMBERS, 75 PASSENGERS OR GROUND PERSONNEL. THE AIRCRAFT IS REGISTERED TO, AND OPERATED BY REPUBLIC AIRWAYS DBA AMERICAN EAGLE UNDER THE PROVISIONS OF TITLE 14 CODE OF FEDERAL REGULATIONS (DFR) PART 121 AS A SCHEDULED AIR CARRIER. THE AIRCRAFT WAS OPERATED UNDER INSTRUMENT FLIGHT RULES, A FLIGHT PLAN WAS FILED. NO WEATHER INFORMATION WAS REPORTED AT THE TIME OF THE EVENT. THE FLIGHT DEPARTED PHILADELPHIA INTERNATIONAL AIRPORT, PA (KPHL) ABOUT 1519 EST, SCHEDULED TO SAVANNAH/HILTON HEAD INTERNATIONAL AIRPORT (KSAV).
A SPECIAL FLIGHT PERMIT MOVED N101HQ, FLIGHT 9878, AT 2028 EST (0228Z) FROM KPHL TO KPIT FOR MAINTENANCE. REPUBLIC AIRWAYS REQUESTED EMBRAER ASSISTANCE.
REPUBLIC AIRWAYS REPLACE THE POSITIVE PRESSURE RELIEF VALVE, THE ALTITUDE SWITCH, CONFIRMED THE FUNCTIONAL TEST OF THE CPCS CHANNELS. REPLACED 42 O2 GENERATORS AND STOWED THE O2 MASKS . ONE GENERIC I/O MODULE AND A DC POWER MODULE(SPDA) WERE REPLACED. A CHECK FLIGHT CONFIRMED THE AIRCRAFT WAS READY FOR RETURN TO SERVICE.