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A fokker 100 with PIREPS on GPWS and radio altimeter had the GPWS deferred and placarded but was dispatched with no action taken on the radio altimeter.
| Attributes | |
| ACN | 422729 |
| Time | |
| Date | 199812 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : bhm |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Flight Phase | other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 422729 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure non adherence : far |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
Aircraft xyz arrived with a PIREP involving radio altimeter and GPWS. I proceeded to placard the GPWS. After aircraft departure and review of the PIREP, I concluded that the radio altimeter system should also have been deferred and placarded along with a lower minimum performance downgrade. When the aircraft returned to ZZZ, I accomplished the required checks for the radio altimeter system, GPWS, and performed a land 40 test and cleared the item.
Original NASA ASRS Text
Title: A FOKKER 100 WITH PIREPS ON GPWS AND RADIO ALTIMETER HAD THE GPWS DEFERRED AND PLACARDED BUT WAS DISPATCHED WITH NO ACTION TAKEN ON THE RADIO ALTIMETER.
Narrative: ACFT XYZ ARRIVED WITH A PIREP INVOLVING RADIO ALTIMETER AND GPWS. I PROCEEDED TO PLACARD THE GPWS. AFTER ACFT DEP AND REVIEW OF THE PIREP, I CONCLUDED THAT THE RADIO ALTIMETER SYS SHOULD ALSO HAVE BEEN DEFERRED AND PLACARDED ALONG WITH A LOWER MINIMUM PERFORMANCE DOWNGRADE. WHEN THE ACFT RETURNED TO ZZZ, I ACCOMPLISHED THE REQUIRED CHKS FOR THE RADIO ALTIMETER SYS, GPWS, AND PERFORMED A LAND 40 TEST AND CLRED THE ITEM.
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.