What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On October 29, 2008, at approximately 2326 eastern time, a Boeing 737-823, N905AN, flight number 144 conducted under 14 CFR part 121 by American airlines, inc. diverted to Pittsburgh International Airport (kpit), Pittsburgh, Pennsylvania after reporting a hydraulic problem. The aircraft landed on runway 28R without incident. The aircraft rescue fire fighting (ARFF) units responded but were not utilized. The aircraft taxied to the ramp without further incident. American airlines provided a report from the captain who stated the following, "at FL 390, approx 4 hrs, 15 min into flight lax-iad, left eng hyd pump low pressure light came on. Shut down left pump iaw qrh. Approx 5 min later, right eng pump low pressure light also came on. Shutdown right pump iaw qrh. Declared emergency with ATC and diverted to kpit. Electric hyd pumps remained on and hyd pressure remained normal except for momentary amber during flap extension. Otherwise, gear and flap operation ok. Approach, landing, and taxi were uneventful. Hyd pressure remained ok throughout." According to American airlines maintenance records, the disrepancy was listed as, "approx 4 hours 15 minutes in flight eng 1 hyd low press lite 1 came on. Approx 5 mins later, eng 2 hyd low press 1 lite also came on. FL 390 both pumps turned off iaw 7QRH." This discrepancy was cleared with the following entry in the aircraft records by American airlines mechanics from chicago working at kpit, "removed and repl. Hyd reservoir press. Module per mm 7 29-1 1-01-5. Ops check ok per mm 29-1 1-01-5. Engine hyd pumps ops check ok per mm 29-1 1-1 1-41." There were no injuries to the crew. The flight crew's actions or lack of actions did not contribute to this incident.
As the FAA filed it
(-23) ON OCTOBER 29, 2008, AT APPROXIMATELY 2326 EASTERN TIME, A BOEING 737-823, N905AN, FLIGHT NUMBER 144 CONDUCTED UNDER 14 CFR PART 121 BY AMERICAN AIRLINES, INC. DIVERTED TO PITTSBURGH INTERNATIONAL AIRPORT (KPIT), PITTSBURGH, PENNSYLVANIA AFTER REPORTING A HYDRAULIC PROBLEM. THE AIRCRAFT LANDED ON RUNWAY 28R WITHOUT INCIDENT. THE AIRCRAFT RESCUE FIRE FIGHTING (ARFF) UNITS RESPONDED BUT WERE NOT UTILIZED. THE AIRCRAFT TAXIED TO THE RAMP WITHOUT FURTHER INCIDENT. AMERICAN AIRLINES PROVIDED A REPORT FROM THE CAPTAIN WHO STATED THE FOLLOWING, "AT FL 390, APPROX 4 HRS, 15 MIN INTO FLIGHT LAX-IAD, LEFT ENG HYD PUMP LOW PRESSURE LIGHT CAME ON. SHUT DOWN LEFT PUMP IAW QRH. APPROX 5 MIN LATER, RIGHT ENG PUMP LOW PRESSURE LIGHT ALSO CAME ON. SHUTDOWN RIGHT PUMP IAW QRH. DECLARED EMERGENCY WITH ATC AND DIVERTED TO KPIT. ELECTRIC HYD PUMPS REMAINED ON AND HYD PRESSURE REMAINED NORMAL EXCEPT FOR MOMENTARY AMBER DURING FLAP EXTENSION. OTHERWISE, GEAR AND FLAP OPERATION OK. APPROACH, LANDING, AND TAXI WERE UNEVENTFUL. HYD PRESSURE REMAINED OK THROUGHOUT." ACCORDING TO AMERICAN AIRLINES MAINTENANCE RECORDS, THE DISREPANCY WAS LISTED AS, "APPROX 4 HOURS 15 MINUTES IN FLIGHT ENG 1 HYD LOW PRESS LITE 1 CAME ON. APPROX 5 MINS LATER, ENG 2 HYD LOW PRESS 1 LITE ALSO CAME ON. FL 390 BOTH PUMPS TURNED OFF IAW 7QRH." THIS DISCREPANCY WAS CLEARED WITH THE FOLLOWING ENTRY IN THE AIRCRAFT RECORDS BY AMERICAN AIRLINES MECHANICS FROM CHICAGO WORKING AT KPIT, "REMOVED AND REPL. HYD RESERVOIR PRESS. MODULE PER MM 7 29-1 1-01-5. OPS CHECK OK PER MM 29-1 1-01-5. ENGINE HYD PUMPS OPS CHECK OK PER MM 29-1 1-1 1-41." THERE WERE NO INJURIES TO THE CREW. THE FLIGHT CREW'S ACTIONS OR LACK OF ACTIONS DID NOT CONTRIBUTE TO THIS INCIDENT.
Other reports on N905AN · 1
Matched to the same aircraft by N-number and date.