Cargolux B744 near Shannon on Mar 14th 2014, cargo fire indication

A Cargolux Boeing 747-400 freighter, registration LX-SCV performing flight CV-765 from Aguadilla (Puerto Rico) to Maastricht (Netherlands) with 2 crew and a cargo of flowers, was enroute at FL370 about 120nm east of Shannon (Ireland) over the Irish Sea when the crew declared emergency reporting a cargo fire indication. The aircraft descended and set course to divert to Cardiff,WL (UK) but stopped the descent at 4000 feet, climbed back to FL100 and diverted to Shannon advising they would vacate the runway after landing. The aircraft landed safely on runway 24 in low visibility about one hour after declaring emergency and about 40 minutes after aborting the approach to Cardiff. Attending emergency services found no trace of fire, heat or smoke.

Metars Cardiff:

EGFF 140720Z 00000KT 0050 R12/0125 FG VV/// 04/04 Q1029

EGFF 140650Z VRB03KT 0000 R12/0125 FG VV/// 04/03 Q1029

EGFF 140620Z VRB03KT 0000 R12/0150 FG VV/// 03/03 Q1029

EGFF 140550Z 09005KT 0900 R12/P1500 FG NSC 02/02 Q1029

EGFF 140520Z AUTO 06005KT 0600 R12/1400 FG NCD 02/02 Q1029

EGFF 140450Z 08006KT 1600 BR NSC 03/03 Q1028

EGFF 140420Z 08005KT 1500 BR NSC 03/02 Q1029

EGFF 140350Z 09005KT 1400 BR NSC 03/02 Q1029

EGFF 140320Z 05005KT 2200 BR NSC 04/04 Q1029

EGFF 140250Z AUTO 07005KT 1900 BR NCD 04/03 Q1029

EGFF 140220Z 06006KT 2000 BR NSC 04/03 Q1029