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A line mechanic reports an emb/erj-145 cabin filled with smoke during maintenance testing and taxiing after a pre-cooler was replaced. Protective end caps had not been removed from the pre-cooler prior to connecting pneumatic ducts to the pre-cooler; during installation in the engine pylon.
| Attributes | |
| ACN | 856763 |
| Time | |
| Date | 200910 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Dawn |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 145 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked Taxi |
| Component | |
| Aircraft Component | Engine Air Pneumatic Ducting |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
During maintenance testing; while taxiing an emb-145 aircraft; the cabin filled with smoke at ZZZ airport.caps were not removed before installing v-clamps; in accordance with (in accordance with) emb-145 amm 36-11-04 part I; step 7.maintenance complied with an engineering order (eo) chapter 36-00-04 for the bleed servo line restrictor and damper removal & cleaning. Operational checks good.emb-145 amm reference 36-11-04; is not accurate in the procedures for installation. Pre -cooler must be placed in pylon with ducts in order to install. Pre-cooler can not be pre-assembled before installation.
Original NASA ASRS Text
Title: A Line Mechanic reports an EMB/ERJ-145 cabin filled with smoke during maintenance testing and taxiing after a pre-cooler was replaced. Protective end caps had not been removed from the Pre-cooler prior to connecting pneumatic ducts to the Pre-cooler; during installation in the engine pylon.
Narrative: During maintenance testing; while taxiing an EMB-145 aircraft; the cabin filled with smoke at ZZZ Airport.Caps were not removed before installing V-Clamps; in accordance with (IAW) EMB-145 AMM 36-11-04 Part I; Step 7.Maintenance complied with an Engineering Order (EO) Chapter 36-00-04 for the Bleed Servo line restrictor and damper removal & cleaning. Operational checks good.EMB-145 AMM Reference 36-11-04; is not accurate in the procedures for installation. Pre -cooler must be placed in pylon with ducts in order to install. Pre-cooler can not be pre-assembled before installation.
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.