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An airbus 300 on landing, #2 reverser did not deploy. #1 previously rendered inoperative per the MEL. Found MEL procedure for #2 reverser not completed.
| Attributes | |
| ACN | 618426 |
| Time | |
| Date | 200404 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance landing : roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 618426 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : non compliance with mel non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : testing |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Maintenance Human Performance Flight Crew Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
On apr/fri/04, when I arrived on the aircraft that morning and started doing my preflight, I saw that the #1 reverser had been locked out according to the logbook. The reason it was locked out was because the left 'hp' valve had faulted on the previous flight the night before. According to the MEL, this was the procedure the mechanics had to follow to be able to put the 'hp' valve on MEL. When I did my preflight walkaround, I did verify that the #1 thrust reverser was locked out and it was. On the flight to ZZZ, everything went smoothly except on landing. When the captain landed the airplane and went to reverse, the #2 thrust reverser did not deploy. When we got to the gate the captain wrote it up and I notified maintenance in ZZZ. After the mechanic looked at it, he told us that the reason the #2 thrust reverser did not deploy was because the mechanic that worked on the airplane the night before did not finish his checklist and did not complete the work. The mechanic told us that the circuit breaker for the reverser that was pulled out and collard should have been pushed back in after the work on #1 thrust reverser was completed.
Original NASA ASRS Text
Title: AN AIRBUS 300 ON LNDG, #2 REVERSER DID NOT DEPLOY. #1 PREVIOUSLY RENDERED INOP PER THE MEL. FOUND MEL PROC FOR #2 REVERSER NOT COMPLETED.
Narrative: ON APR/FRI/04, WHEN I ARRIVED ON THE ACFT THAT MORNING AND STARTED DOING MY PREFLT, I SAW THAT THE #1 REVERSER HAD BEEN LOCKED OUT ACCORDING TO THE LOGBOOK. THE REASON IT WAS LOCKED OUT WAS BECAUSE THE L 'HP' VALVE HAD FAULTED ON THE PREVIOUS FLT THE NIGHT BEFORE. ACCORDING TO THE MEL, THIS WAS THE PROC THE MECHS HAD TO FOLLOW TO BE ABLE TO PUT THE 'HP' VALVE ON MEL. WHEN I DID MY PREFLT WALKAROUND, I DID VERIFY THAT THE #1 THRUST REVERSER WAS LOCKED OUT AND IT WAS. ON THE FLT TO ZZZ, EVERYTHING WENT SMOOTHLY EXCEPT ON LNDG. WHEN THE CAPT LANDED THE AIRPLANE AND WENT TO REVERSE, THE #2 THRUST REVERSER DID NOT DEPLOY. WHEN WE GOT TO THE GATE THE CAPT WROTE IT UP AND I NOTIFIED MAINT IN ZZZ. AFTER THE MECH LOOKED AT IT, HE TOLD US THAT THE REASON THE #2 THRUST REVERSER DID NOT DEPLOY WAS BECAUSE THE MECH THAT WORKED ON THE AIRPLANE THE NIGHT BEFORE DID NOT FINISH HIS CHKLIST AND DID NOT COMPLETE THE WORK. THE MECH TOLD US THAT THE CIRCUIT BREAKER FOR THE REVERSER THAT WAS PULLED OUT AND COLLARD SHOULD HAVE BEEN PUSHED BACK IN AFTER THE WORK ON #1 THRUST REVERSER WAS COMPLETED.
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.