A B757-200 captain reported that contract maintenance in a foreign country was not proficient in an ...

Attributes
ACN	628100
Time
Date	200408
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	intersection : holma
State Reference	FO
Aircraft 1
Controlling Facilities	artcc : zny.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	628100
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical non adherence : company policies
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : landed in emergency condition
Consequence	other other
Supplementary
Problem Areas	Company Maintenance Human Performance Aircraft
Primary Problem	Maintenance Human Performance

Narrative:

After a lengthy struggle, maintenance finally informed us, in detail, of the problem with aircraft since there was not a logbook on the aircraft when we arrived. After 2 calls to dispatch with a phone patch to B757 technician each time, I told maintenance that the engine was going to have to be further inspected, despite the fact that maintenance insisted that the 30 min turn up they had earlier done would suffice. Once the check was accomplished, we left. The first hour of the flight was uneventful and then the right oil quantity began a steady decline from 21 to 15 in about 35 mins. After a very lengthy algebraic computation with 23 complex variables, we threw away that paperwork since neither of us were proficient in addition and decided the remaining oil was not going to allow us to reach ewr without shutting down the engine or burning it up. We diverted into bda with 9 showing on the gauge just before touchdown. I did not declare an emergency because new york oceanic responded immediately with a clearance from holma direct to bda and ZNY on 128.5 had us in radar as soon as we made the turn.

Original NASA ASRS Text

Title: A B757-200 CAPT RPTED THAT CONTRACT MAINT IN A FOREIGN COUNTRY WAS NOT PROFICIENT IN AN ENG CHK BEFORE DEP FROM ZZZZ WHICH MAY HAVE CONTRIBUTED TO AN ENG OIL PROB THAT CAUSED THE RPTR TO DIVERT TO BDA.

Narrative: AFTER A LENGTHY STRUGGLE, MAINT FINALLY INFORMED US, IN DETAIL, OF THE PROB WITH ACFT SINCE THERE WAS NOT A LOGBOOK ON THE ACFT WHEN WE ARRIVED. AFTER 2 CALLS TO DISPATCH WITH A PHONE PATCH TO B757 TECHNICIAN EACH TIME, I TOLD MAINT THAT THE ENG WAS GOING TO HAVE TO BE FURTHER INSPECTED, DESPITE THE FACT THAT MAINT INSISTED THAT THE 30 MIN TURN UP THEY HAD EARLIER DONE WOULD SUFFICE. ONCE THE CHK WAS ACCOMPLISHED, WE LEFT. THE FIRST HR OF THE FLT WAS UNEVENTFUL AND THEN THE R OIL QUANTITY BEGAN A STEADY DECLINE FROM 21 TO 15 IN ABOUT 35 MINS. AFTER A VERY LENGTHY ALGEBRAIC COMPUTATION WITH 23 COMPLEX VARIABLES, WE THREW AWAY THAT PAPERWORK SINCE NEITHER OF US WERE PROFICIENT IN ADDITION AND DECIDED THE REMAINING OIL WAS NOT GOING TO ALLOW US TO REACH EWR WITHOUT SHUTTING DOWN THE ENG OR BURNING IT UP. WE DIVERTED INTO BDA WITH 9 SHOWING ON THE GAUGE JUST BEFORE TOUCHDOWN. I DID NOT DECLARE AN EMER BECAUSE NEW YORK OCEANIC RESPONDED IMMEDIATELY WITH A CLRNC FROM HOLMA DIRECT TO BDA AND ZNY ON 128.5 HAD US IN RADAR AS SOON AS WE MADE THE TURN.

Data retrieved from NASA's ASRS site as of July 2007 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 B757-200 captain reported that contract maintenance in a foreign country was not proficient in an engine check before departure from ZZZZ which may have contributed to an engine oil problem that caused the reporter to divert to bda.