| | | A divergence report is generated each | | |
| | | time when the value of EGTdiv or TNdiv | | |
| | | exceeds the defined threshold values | | |
| | | defined below. | | |
| |4.1 | Threshold values: | | |
|4110|4.1.1 | EGTdivT1 limit in C | C | T22/T23/|
| | | | | T23A |
|4120|4.1.2 | EGTdivT2 limit in C | C | T22/T23/|
| | | | | T23A |
|4130|4.1.3 | EGTdivT3 limit in C | C | T22/T23/|
| | | | | T23A |
|4140|4.1.4 | EGTdivT4 limit in C | C | T22/T23/|
| | | | | T23A |
|4150|4.1.5 | TNdivT1 limit in C | C | T22/T23/|
| | | | | T23A |
|4160|4.1.6 | TNdivT2 limit in C | C | T22/T23/|
| | | | | T23A |
|4170|4.1.7 | TNdivT3 limit in C | C | T22/T23/|
| | | | | T23A |
|4180|4.1.8 | TNdivT4 limit in C | C | T22/T23/|
| | | | | T23A |
| | | | | |
| |4.2 | Divergence Monitoring Conditions | | |
| | | 1. N1 actual of both engines > N1L1 | | |
| | | 2. N1 actual of both engines < N1L2 | | |
| | | 3. N1 actual of both engines is within | | |
| | | N1L3 of each other. | | |
| | | 4. Bleed loads for both engines are | | |
| | | symmetrical and cross feed valve is | | |
| | | closed. | | |
| | | 5. IVV stable within IVVL, only valid | | |
| | | during flight phase 6. | | |
| | | 6. ALT < ALTL, only valid during flight | | |
| | | pahse 5.1. | | |
| | | 7. Delta TAT within TATL. | | |
| | | 8. N1rate within N1RL | | |
| | | 9. SSM's valid during the whole 'Y09' | | |
| | | seconds interval. | | |
| | |10. Conditions 1-9 TRUE for > 'Y09' sec. | | |
| | | | | |
| |4.2.1 | N1L1 limit in %rpm | C | T22/T23/|
| | | | | T23A |
R 1EFF : 106-149, 159-199, 210-299, 301-399, 1 31-37-73Page A79 1401-499, 1Aug 01/05 1 1 1CES 1 +----------------------------------------------------------------------+ |Code|Item | |Progr.|Standard | | No.|No. | Description of Function Item |MCDU |Value or | | | | |GSE |Table TXY| |----|------|-----------------------------------------|------|---------|
| |4.2.2 | N1L2 limit in %rpm | C | T22/T23/|
| | | | | T23A |
| |4.2.3 | N1L3 limit in %rpm | C | T22/T23/|
| | | | | T23A |
| |4.2.4 | Symmetrical bleed load: | | |
| | | Valve positions LH and RH are identical | | |
| | | (mirror image), cross feed valve closed,| | |
| | | APU valve closed or APU Master Switch | | |
| | | off and Pack Flow within PFLdelta. | | |
| | | | | |
| | |99 1111 1 1111 99 | | |
| | | | | | | |____LH Pack Flow | | |
| | | | | | |_______RH Valve pos. | | |
| | | | | |___________Cross feed Valve pos.| | |
| | | | |______________LH Valve pos. | | |
| | | |__________________LH Pack Flow | | |
| | | | | |
| | | APU Master Switch off: | | |
| | | param. 29.1.003.11.16 = 0 | | |
| | | param. 29.2.003.11.16 = 0 | | |
| | | | | |
| | | PFLdelta =< abs (LH Pack Flow - RH Pack | | |
| | | Flow) | | |
| | | | | |
| |4.2.5 | IVVL limit in f/min | C | T22/T23/|
| | | | | T23A |
| |4.2.6 | ALTL limit in feet | C | T22/T23/|
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