<< >> NASA ASRS Report 574833, February 2003

An MD80 was dispatched in non compliance with 3 passenger service units replaced including oxygen canisters without the required inspection.

Attributes
ACN	574833
Time
Date	200302
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 0
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : maintenance
Person 1
Affiliation	company : air carrier
Function	maintenance : technician
Qualification	technician : powerplant technician : airframe
Experience	maintenance technician : 15
ASRS Report	574833
Person 2
Affiliation	company : air carrier
Function	maintenance : technician
Events
Anomaly	aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : company policies non adherence : far non adherence : published procedure
Independent Detector	other other : 3 inspector
Resolutory Action	none taken : detected after the fact
Consequence	other other
Factors
Maintenance	contributing factor : schedule pressure performance deficiency : inspection performance deficiency : logbook entry performance deficiency : non compliance with legal requirements
Supplementary
Problem Areas	Aircraft Environmental Factor Chart Or Publication Company Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

I was assigned to work an overnight service check. The aircraft had a logbook write-up, passenger intercom system popping circuit breaker. Swing shift avionics was already trouble-shooting the problem. Turnover to grave shift was to remove and replace 3 passenger service units. At about XA30, avionics arrived with the 3 new passenger service units. I was asked to xfer oxygen generators. When my work was accomplished, avionics finished installing the new passenger service units. I did not think of calling for inspection. Avionics signed the logbook write-up. It was after XC00, and the aircraft was scheduled for a flight. I signed the service check in the logbook. After aircraft made 3 trips and stopped at ZZZ1 for a heavy maintenance check. The inspection department at ZZZ1 was notified to check the maintenance in question and generate a line non-routine work card.

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Original NASA ASRS Text

Title: AN MD80 WAS DISPATCHED IN NON COMPLIANCE WITH 3 PAX SVC UNITS REPLACED INCLUDING OXYGEN CANISTERS WITHOUT THE REQUIRED INSPECTION.

Narrative: I WAS ASSIGNED TO WORK AN OVERNIGHT SVC CHK. THE ACFT HAD A LOGBOOK WRITE-UP, PAX INTERCOM SYS POPPING CIRCUIT BREAKER. SWING SHIFT AVIONICS WAS ALREADY TROUBLE-SHOOTING THE PROB. TURNOVER TO GRAVE SHIFT WAS TO REMOVE AND REPLACE 3 PAX SVC UNITS. AT ABOUT XA30, AVIONICS ARRIVED WITH THE 3 NEW PAX SVC UNITS. I WAS ASKED TO XFER OXYGEN GENERATORS. WHEN MY WORK WAS ACCOMPLISHED, AVIONICS FINISHED INSTALLING THE NEW PAX SVC UNITS. I DID NOT THINK OF CALLING FOR INSPECTION. AVIONICS SIGNED THE LOGBOOK WRITE-UP. IT WAS AFTER XC00, AND THE ACFT WAS SCHEDULED FOR A FLT. I SIGNED THE SVC CHK IN THE LOGBOOK. AFTER ACFT MADE 3 TRIPS AND STOPPED AT ZZZ1 FOR A HVY MAINT CHK. THE INSPECTION DEPT AT ZZZ1 WAS NOTIFIED TO CHK THE MAINT IN QUESTION AND GENERATE A LINE NON-ROUTINE WORK CARD.

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.