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A B727-200 in cruise at FL210 had the right overwing emergency exit exterior step unlatch and depart the aircraft grazing #3 engine inlet cowling.
| Attributes | |
| ACN | 399996 |
| Time | |
| Date | 199804 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : pvd |
| State Reference | RI |
| Altitude | msl bound lower : 21000 msl bound upper : 21000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw tower : mlb |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 235 flight time total : 15000 flight time type : 9000 |
| ASRS Report | 399996 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 14000 flight time type : 150 |
| ASRS Report | 399580 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During cruise at 21000 ft right emergency exit step latch opened allowing step to fold down into airstream. Step located immediately below aft emergency exit hatch on right wing. Airstream ripped off step and object hit lower part of #3 engine. Passenger riding crew member reported loud noise to cockpit. Flight controls verified, engine instruments normal. Slow flighted aircraft prior to landing and made normal landing bos. Callback conversation with reporter from acn 399591 revealed the following information: the reporter stated he made 3 walkaround exterior checks and the aft right overwing exit step was not deployed. The reporter said the only noise heard in the aircraft was a light oil canning sound for a short period of time. The reporter stated that second hand information from maintenance was the exit door bottom edge had some delamination on the surface that latches the door. Callback conversation with reporter from acn 399580 revealed he following information: the reporter stated a noticeable slight noise like a bump, more like when a flight attendant moves a galley module across the galley floor.
Original NASA ASRS Text
Title: A B727-200 IN CRUISE AT FL210 HAD THE R OVERWING EMER EXIT EXTERIOR STEP UNLATCH AND DEPART THE ACFT GRAZING #3 ENG INLET COWLING.
Narrative: DURING CRUISE AT 21000 FT R EMER EXIT STEP LATCH OPENED ALLOWING STEP TO FOLD DOWN INTO AIRSTREAM. STEP LOCATED IMMEDIATELY BELOW AFT EMER EXIT HATCH ON R WING. AIRSTREAM RIPPED OFF STEP AND OBJECT HIT LOWER PART OF #3 ENG. PAX RIDING CREW MEMBER RPTED LOUD NOISE TO COCKPIT. FLT CTLS VERIFIED, ENG INSTS NORMAL. SLOW FLIGHTED ACFT PRIOR TO LNDG AND MADE NORMAL LNDG BOS. CALLBACK CONVERSATION WITH RPTR FROM ACN 399591 REVEALED THE FOLLOWING INFO: THE RPTR STATED HE MADE 3 WALKAROUND EXTERIOR CHKS AND THE AFT R OVERWING EXIT STEP WAS NOT DEPLOYED. THE RPTR SAID THE ONLY NOISE HEARD IN THE ACFT WAS A LIGHT OIL CANNING SOUND FOR A SHORT PERIOD OF TIME. THE RPTR STATED THAT SECOND HAND INFO FROM MAINT WAS THE EXIT DOOR BOTTOM EDGE HAD SOME DELAMINATION ON THE SURFACE THAT LATCHES THE DOOR. CALLBACK CONVERSATION WITH RPTR FROM ACN 399580 REVEALED HE FOLLOWING INFO: THE RPTR STATED A NOTICEABLE SLIGHT NOISE LIKE A BUMP, MORE LIKE WHEN A FLT ATTENDANT MOVES A GALLEY MODULE ACROSS THE GALLEY FLOOR.
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.