Aircraft equipment problem reverser inoperative circuit breaker collared inoperative in error.

Attributes
ACN	319746
Time
Date	199510
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : ord
State Reference	IL
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Mixed
Light	Dawn
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : atp
Experience	flight time last 90 days : 225 flight time total : 8000 flight time type : 2000
ASRS Report	319746
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : flight engineer pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 6300 flight time type : 250
ASRS Report	319536
Events
Anomaly	aircraft equipment problem : less severe non adherence : published procedure other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Logbook maintenance write-up was for the 'reverser valve open' light (#3) staying on after termination of reverse on landing. Maintenance action was to defer the light, and stated that reverser operation was useable. The #3 reverse lever was wired off, contrary to the maintenance entry. In order to bring the aircraft in conformance with the log entry, after discussing the matter with chicago maintenance, the wire was cut and discarded. After landing at denver, the captain attempted to put all 3 engines into reverse, but got no response from #3. It was later discovered that the #3 reverser control circuit breaker had been pulled and capped. Supplemental information from acn 319536: there appeared to have been some miscom as to the status of the #3 reverser. A little more investigation prior to departure would have incurred a delay, but was probably warranted. We should have let maintenance cut the wire for the reverser.

Original NASA ASRS Text

Title: ACFT EQUIP PROB REVERSER INOP CIRCUIT BREAKER COLLARED INOP IN ERROR.

Narrative: LOGBOOK MAINT WRITE-UP WAS FOR THE 'REVERSER VALVE OPEN' LIGHT (#3) STAYING ON AFTER TERMINATION OF REVERSE ON LNDG. MAINT ACTION WAS TO DEFER THE LIGHT, AND STATED THAT REVERSER OP WAS USEABLE. THE #3 REVERSE LEVER WAS WIRED OFF, CONTRARY TO THE MAINT ENTRY. IN ORDER TO BRING THE ACFT IN CONFORMANCE WITH THE LOG ENTRY, AFTER DISCUSSING THE MATTER WITH CHICAGO MAINT, THE WIRE WAS CUT AND DISCARDED. AFTER LNDG AT DENVER, THE CAPT ATTEMPTED TO PUT ALL 3 ENGS INTO REVERSE, BUT GOT NO RESPONSE FROM #3. IT WAS LATER DISCOVERED THAT THE #3 REVERSER CTL CIRCUIT BREAKER HAD BEEN PULLED AND CAPPED. SUPPLEMENTAL INFO FROM ACN 319536: THERE APPEARED TO HAVE BEEN SOME MISCOM AS TO THE STATUS OF THE #3 REVERSER. A LITTLE MORE INVESTIGATION PRIOR TO DEP WOULD HAVE INCURRED A DELAY, BUT WAS PROBABLY WARRANTED. WE SHOULD HAVE LET MAINT CUT THE WIRE FOR THE REVERSER.

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.