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A maintenance technician reported that on a B757-300; when the inlet cowl is removed; there isn't anyplace to secure the fan cowl hold open rod.
| Attributes | |
| ACN | 1500499 |
| Time | |
| Date | 201711 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B757-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Cowling/Nacelle Fasteners Latches |
| Person 1 | |
| Function | Technician |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy |
Narrative:
The maintenance manual (MM) for removing the inlet cowl task; which refers you [a different MM] task; which instructs to install both fan cowl hold open rods. However; to remove the inlet cowl you have to disengage the forward hold open rod as the bracket is attached to the fan cowl; making this unsafe condition. Now you can't comply with the MM since you only have 1 hold open rod in position. This creates an unsafe condition as it can result to injury of personal and damage to aircraft as it puts undue stress to cowling.if we are having this issue at [maintenance base]; obviously this is a system wide problem that needs to be corrected. One solution would be to make a temporary bracket to bolt to the fan case to temp support the hold open rod.propose to manufacture a bracket that can be installed temporary to support fan cowl forward hold open rod while inlet cowl is removed.
Original NASA ASRS Text
Title: A Maintenance Technician reported that on a B757-300; when the inlet cowl is removed; there isn't anyplace to secure the fan cowl hold open rod.
Narrative: The Maintenance Manual (MM) for removing the inlet cowl task; which refers you [a different MM] task; which instructs to install both fan cowl hold open rods. However; to remove the inlet cowl you have to disengage the forward hold open rod as the bracket is attached to the fan cowl; making this unsafe condition. Now you can't comply with the MM since you only have 1 hold open rod in position. This creates an unsafe condition as it can result to injury of personal and damage to aircraft as it puts undue stress to cowling.If we are having this issue at [maintenance base]; obviously this is a system wide problem that needs to be corrected. One solution would be to make a temporary bracket to bolt to the fan case to temp support the hold open rod.Propose to manufacture a bracket that can be installed temporary to support fan cowl forward hold open rod while inlet cowl is removed.
Data retrieved from NASA's ASRS site 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.