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B737-800 flight crew experiences flaps stuck at 25 with the flap handle set to 40 during approach and no warnings. A go around is initiated followed by a flap 30 landing.
| Attributes | |
| ACN | 963597 |
| Time | |
| Date | 201108 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Tower |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Landing |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Flap Control (Trailing & Leading Edge) |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
On final approach; I was flying and the captain was performing the checklist. When he stated the item 'flaps;' he noted that the flap gauge was still at 25; although I had called for and he had selected flaps 40. He confirmed with me his selection on the flap handle at 40 and I double checked it at 40. We elected at that point to go around. There was no split in the flap needles at all. Go around was normal and we were vectored around for another approach. While being vectored; we received permission to slow and configure early in order to determine what we had. Slowed and configured to flaps 30; which we decided was good enough for the conditions. Configuration went normal and we returned to land with flaps 30.
Original NASA ASRS Text
Title: B737-800 Flight Crew experiences flaps stuck at 25 with the flap handle set to 40 during approach and no warnings. A go around is initiated followed by a flap 30 landing.
Narrative: On final approach; I was flying and the Captain was performing the checklist. When he stated the item 'flaps;' he noted that the flap gauge was still at 25; although I had called for and he had selected flaps 40. He confirmed with me his selection on the flap handle at 40 and I double checked it at 40. We elected at that point to go around. There was no split in the flap needles at all. Go around was normal and we were vectored around for another approach. While being vectored; we received permission to slow and configure early in order to determine what we had. Slowed and configured to flaps 30; which we decided was good enough for the conditions. Configuration went normal and we returned to land with flaps 30.
Data retrieved from NASA's ASRS site as of April 2012 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.