A PA32-300R technician who completed a 100 hour inspection and released the aircraft for service rep...

Attributes
ACN	675795
Time
Date	200510
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Aircraft 1
Operator	general aviation : personal
Make Model Name	PA-32 Cherokee Six/Lance/Saratoga
Operating Under FAR Part	Part 91
Flight Phase	ground : maintenance
Person 1
Affiliation	company other
Function	maintenance : lead technician
Qualification	technician : airframe technician : powerplant
Experience	maintenance lead technician : 40
ASRS Report	675795
Person 2
Affiliation	other
Function	flight crew : single pilot
Events
Anomaly	aircraft equipment problem : critical ground encounters other
Independent Detector	aircraft equipment other aircraft equipment : oil press indicator oil qty indicator other flight crewa
Resolutory Action	other
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Sep/thu/05 at tact time 1045.3; aircraft total time of 1045.3. At smoh 458.4 completed 100 hour inspection. Svced with 10 quarts aeroshell 15-50; installed new CH48 oil filter. Compression test: #1 75/80; #3 78/80; #5 76/80; #2 78/80; #4 75/80; #6 75/80. Complied with all airworthiness directives to date. Engine run satisfactory; no leaks noted. Engine returned to service per 100 hour inspection. Owner took delivery of aircraft. Owner flew aircraft 11.3 hours with no leaks or discrepancies. Owner on oct/fri/05 less than 24 hours after aircraft was flown 11 hours; aircraft flew for 10 mins with engine failure and emergency landing on highway with no damage to aircraft and no injuries to pilot and passenger. Callback conversation with reporter revealed the following information: the reporter stated the airplane was not damaged in the off-field landing and no injuries were incurred. The engine failed due to loss of engine oil. The loss of the engine oil was caused by a cracked oil cooler. The airplane had 11.3 hours on the engine after the 100 hour inspection with a total time since engine overhaul of 469.7 hours.

Original NASA ASRS Text

Title: A PA32-300R TECHNICIAN WHO COMPLETED A 100 HR INSPECTION AND RELEASED THE ACFT FOR SVC RPTS THAT AFTER 11 PT 3 HRS OF OP THE ENG FAILED AND ACFT WAS LANDED OFF FIELD WITH NO DAMAGE. CAUSE LOSS OF OIL THROUGH CRACKED OIL COOLER.

Narrative: SEP/THU/05 AT TACT TIME 1045.3; ACFT TOTAL TIME OF 1045.3. AT SMOH 458.4 COMPLETED 100 HR INSPECTION. SVCED WITH 10 QUARTS AEROSHELL 15-50; INSTALLED NEW CH48 OIL FILTER. COMPRESSION TEST: #1 75/80; #3 78/80; #5 76/80; #2 78/80; #4 75/80; #6 75/80. COMPLIED WITH ALL AIRWORTHINESS DIRECTIVES TO DATE. ENG RUN SATISFACTORY; NO LEAKS NOTED. ENG RETURNED TO SVC PER 100 HR INSPECTION. OWNER TOOK DELIVERY OF ACFT. OWNER FLEW ACFT 11.3 HRS WITH NO LEAKS OR DISCREPANCIES. OWNER ON OCT/FRI/05 LESS THAN 24 HRS AFTER ACFT WAS FLOWN 11 HRS; ACFT FLEW FOR 10 MINS WITH ENG FAILURE AND EMER LNDG ON HWY WITH NO DAMAGE TO ACFT AND NO INJURIES TO PLT AND PAX. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE AIRPLANE WAS NOT DAMAGED IN THE OFF-FIELD LNDG AND NO INJURIES WERE INCURRED. THE ENG FAILED DUE TO LOSS OF ENG OIL. THE LOSS OF THE ENG OIL WAS CAUSED BY A CRACKED OIL COOLER. THE AIRPLANE HAD 11.3 HRS ON THE ENG AFTER THE 100 HR INSPECTION WITH A TOTAL TIME SINCE ENG OVERHAUL OF 469.7 HRS.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

A PA32-300R technician who completed a 100 hour inspection and released the aircraft for service reports that after 11 pt 3 hours of operation the engine failed and aircraft was landed off field with no damage. Cause loss of oil through cracked oil cooler.