SDR EIA2001127

Service difficulty report · Bulkhead · Boeing 747273C

Difficulty date: March 23, 2001
Submitted: April 26, 2001
Operation: Air carrier
Aircraft: N470EV
Make and model: Boeing 747273C
Aircraft serial: 20653
System (JASC): 5412 · Nacelle/Pylon, Bulkhead/Firewall
Part: Bulkhead
Condition: Cracked
Location: Nr 4 Nacelle
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

HKG-HAECO - NR 4 STRUT REAR ENGINE MOUNT BULKHEAD FORWARD SIDE OF FRAME WEB CRACKED AT OUTBOARD LOWER AREA, ADJACENT TO REPAIR ANGLE, APPROX .375 INCH LENGTH. REPAIRED BULKHEAD WEB PER RS R-54-53-34641. CONTINUE DETAIL VISUAL AND HFEC INSPECTION PER SB 747-54A2202. (M)