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Upon receiving flap disagree EICAS message; B757-200 declares emergency and lands with flaps 20 degrees using alternate flap extension procedure.
| Attributes | |
| ACN | 786013 |
| Time | |
| Date | 200805 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 4000 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : zzz.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 786013 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : eicas flap disagree message |
| Resolutory Action | flight crew : declared emergency flight crew : overcame equipment problem |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On approach to ZZZ when selecting flaps 1 degree; leading edge disagreement illuminated on EICAS and leading edge flaps caution illuminated. Followed QRH procedure and unable to move leading edge due to asymmetry. Trailing edge flaps operated using alternate system. Declared emergency. Landed flaps 20 degrees. Landing normal.
Original NASA ASRS Text
Title: UPON RECEIVING FLAP DISAGREE EICAS MSG; B757-200 DECLARES EMERGENCY AND LANDS WITH FLAPS 20 DEGREES USING ALTERNATE FLAP EXTENSION PROCEDURE.
Narrative: ON APCH TO ZZZ WHEN SELECTING FLAPS 1 DEG; LEADING EDGE DISAGREEMENT ILLUMINATED ON EICAS AND LEADING EDGE FLAPS CAUTION ILLUMINATED. FOLLOWED QRH PROC AND UNABLE TO MOVE LEADING EDGE DUE TO ASYMMETRY. TRAILING EDGE FLAPS OPERATED USING ALTERNATE SYS. DECLARED EMER. LANDED FLAPS 20 DEGS. LNDG NORMAL.
Data retrieved from NASA's ASRS site as of May 2009 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.