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A mechanic and manager report on their involvement with deferring a B737-800 flight deck circuit breaker guard using a non-essential equipment and furnishing (nef) deferral procedure. The nef deferral required the guards must be repaired or replaced at the next overnight visit. They were not; guards were actually missing.
| Attributes | |
| ACN | 871798 |
| Time | |
| Date | 201001 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Circuit Breaker / Fuse / Thermocouple |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Person 2 | |
| Function | Other / Unknown |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural FAR Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Issued nef (non-essential equipment and furnishings) 25-10A flight deck circuit breaker guards damaged or missing. Per nef must be repaired or replaced at the next maintenance overnight visit. Aircraft overnighted at ZZZ and was not repaired before next departure. The maintenance manager removed [the required] time when [deferral] due of zero days.
Original NASA ASRS Text
Title: A Mechanic and Manager report on their involvement with deferring a B737-800 flight deck circuit breaker guard using a Non-Essential Equipment and Furnishing (NEF) deferral procedure. The NEF deferral required the guards must be repaired or replaced at the next overnight visit. They were not; guards were actually missing.
Narrative: Issued NEF (Non-Essential Equipment and Furnishings) 25-10A Flight Deck Circuit Breaker Guards Damaged or Missing. Per NEF must be repaired or replaced at the next Maintenance overnight visit. Aircraft overnighted at ZZZ and was not repaired before next departure. The Maintenance Manager removed [the required] time when [deferral] due of zero days.
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.