sy01

Model	FMC version	Service bulletin	Service letter	Notes
737-300/-400/-500	Single U7.5	737-34-1444 15 Jan 98	737-SL-34-138 23 Feb 98
737-300/-400/-500	Dual U7.5	737-34-1445 15 Jan 98	737-SL-34-138 23 Feb 98
737-300/-400/-500	Single U8.5	737-34-1446 15 Jan 98	737-SL-34-137 23 Feb 98
737-300/-400/-500	Dual U8.5	737-34-1447 15 Jan 98	737-SL-34-137 23 Feb 98
747-400	Load 11 & later	747-34-2359 16 Jul 92	747-SL-34-56 25 Aug 92	Upgrade from -551 to -552 H/W
747-400	Load 14 PW	747-34-2615 May 98		-552 H/W required
747-400	Load 14 GE	747-34-2616 May 98		-552 H/W required
747-400	Load 14 RR	747-34-2617 May 98		-552 H/W required
747-400	Load 14 GE B1F	747-34-2618 May 98		-552 H/W required
757	100K	757-34-0068 6 Feb 92	757-SL-34-52-B 1 Mar 93	Wiring to upgrade from -8XX/-7XX
757	200K	757-34-0118 11 Jul 96	757-SL-34-093-B 24 May 96	Upgrade to -226
757	200K	757-34-0119 10 Aug 95	757-SL-34-093-B	Upgrade to -330
757	200K	757-34-0153 29 May 97	757-SL-34-109 10 Jun 97	Upgrade to -227
757	200K	757-34-0154 26 Jun 97	757-SL-34-110 10 Jun 97	Upgrade to -331
767	200K	767-34-0211 26 Sep 96	767-SL-092-B	Upgrade to -330
767	200K	767-34-0222 13 Nov 97	767-SL-092-B	Upgrade to -226
767	200K	767-34-0266 12 Mar 98	CCSD-34-012 6 Mar 98	Upgrade to -331
767	200K	767-34-0266 12 Mar 98	767-SL-092-B	Upgrade to -227