| 28 | FUEL APU LP VALVE FAULT | |
| 28 | FUEL APU LP VALVE FAULT | APU fuel-feed valve position/command disagreement or valve fault condition. |
| 28 | FUEL AUTO TRANSFER FAULT | |
| 28 | FUEL AUTO TRANSFER FAULT | Automatic centre-tank/wing transfer function is degraded or unavailable. |
| 28 | FUEL CTR L XFR FAULT | Left-side centre-tank transfer path/valve function is affected. |
| 28 | FUEL CTR L+R XFR FAULT | Both centre-tank transfer paths can be affected. |
| 28 | FUEL CTR R XFR FAULT | Right-side centre-tank transfer path/valve function is affected. |
| 28 | FUEL CTR TK XFR FAULT | |
| 28 | FUEL F. USED/FOB DISAGREE | Computed/indicated fuel values disagree. |
| 28 | FUEL F. USED/FOB DISAGREE | Fuel quantity reconciliation is unreliable and the crew is directed toward fuel-leak consideration when appropriate. |
| 28 | FUEL FQI CH 1 FAULT | One FQI computation channel is lost/degraded. |
| 28 | FUEL FQI CH 2 FAULT | One FQI computation channel is lost/degraded. |
| 28 | FUEL FQI FAULT | FQI channel/quantity information degraded. |
| 28 | FUEL FQI FAULT | Fuel quantity indication capability is degraded. |
| 28 | FUEL GRAVITY FEEDING | Normal pump feed is unavailable or insufficient. |
| 28 | FUEL IDG 1 COOL FAULT | Fuel recirculation/cooling associated with IDG 1 is affected. |
| 28 | FUEL IDG 2 COOL FAULT | Fuel recirculation/cooling associated with IDG 2 is affected. |
| 28 | FUEL IMBALANCE | Wing fuel asymmetry / quantity comparison. |
| 28 | FUEL L OUTER (INNER) TK HI TEMP | Fuel temperature in the identified tank/area is above the alert threshold. |
| 28 | FUEL L OUTER (INNER) TK LO TEMP | Fuel temperature in the identified tank/area is below the alert threshold. |
| 28 | FUEL L WING TK LO LVL | Low fuel level is detected on the left side. |
| 28 | FUEL L WING TK OVERFLOW | Overflow of the affected wing tank has been detected. |
| 28 | FUEL LEAK | FOB/quantity/engine-side evidence is used to help localise the leak. |
| 28 | FUEL LO LVL DET FAULT | Both low-level sensing channels/detectors are implicated by the recorded alert family. |
| 28 | FUEL R OUTER (INNER) TK HI TEMP | Fuel temperature in the identified tank/area is above the alert threshold. |
| 28 | FUEL R OUTER (INNER) TK LO TEMP | Fuel temperature in the identified tank/area is below the alert threshold. |
| 28 | FUEL R WING TK LO LVL | Low fuel level is detected on the right side. |
| 28 | FUEL R WING TK OVERFLOW | Overflow of the affected wing tank has been detected. |