SDR UPS05444303

Service difficulty report · Pressure Panel · Boeing 747121

Difficulty date: April 15, 2005
Submitted: April 20, 2005
Operation: Air carrier
Aircraft: N681UP
Make and model: Boeing 747121
Aircraft serial: 19661
Aircraft time: 105,090 hours, 26,736 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Pressure Panel
Condition: Cracked
Location: Nlg Ww
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

INSPECTION TYPE:SV NW-LT SIDE WALL WEB CRACK AT 4 EA HOLE LOCATION AT BS 280 - 300 WL 170 AREA. CRACK LENGTH 4 INCHES. NW-LT SIDE WALL WEB CRACK AREA REPAIR AS PER EO B747-5310-20502 APPENDIX C ITEM 6 INSTRUCTION & SRM 53-10-04 FIGURE 116.