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A B767 was dispatched with both the right engine fire loop 2 and right engine overheat loop 1 MEL'ed. After takeoff the right engine overheat loop 2 was detected as inoperative. The aircraft returned to the departure airport for an overweight landing because of no right engine overheat detection capability.
| Attributes | |
| ACN | 893880 |
| Time | |
| Date | 201006 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 119 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Powerplant Fire/Overheat Warning |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Person 2 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
After takeoff we got an EICAS message that said fire/overheat system. We were already dispatched with an inoperative right engine; fire loop 2 and an inoperative right engine overheat loop 1. The aircraft history showed problems with the system for a few days. We ran the fire checklist per the QRH and the system failed to reset. The status message now showed right engine overheat loop 2 as well. Since we now had no overheat loop detection; we decided to not to continue the ETOPS flight and returned to the departure airport for an overweight landing of 345;000 pounds. In all the workload that was involved; we failed to notice the requirement to declare an emergency for an overweight landing. We did run the overweight landing checklist; however.
Original NASA ASRS Text
Title: A B767 was dispatched with both the Right Engine Fire Loop 2 and Right Engine Overheat Loop 1 MEL'ed. After takeoff the Right Engine Overheat Loop 2 was detected as inoperative. The aircraft returned to the departure airport for an overweight landing because of no right engine overheat detection capability.
Narrative: After takeoff we got an EICAS message that said FIRE/OVERHEAT SYSTEM. We were already dispatched with an inoperative right engine; Fire Loop 2 and an inoperative right Engine Overheat Loop 1. The aircraft history showed problems with the system for a few days. We ran the Fire Checklist per the QRH and the system failed to reset. The status message now showed right engine Overheat Loop 2 as well. Since we now had no overheat loop detection; we decided to not to continue the ETOPS flight and returned to the departure airport for an overweight landing of 345;000 LBS. In all the workload that was involved; we failed to notice the requirement to declare an emergency for an overweight landing. We did run the overweight landing checklist; however.
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.