SDR UPS01435935

Service difficulty report · Pressure Panel · Boeing 747123

Difficulty date: May 8, 2001
Submitted: May 21, 2001
Operation: Air carrier
Aircraft: N671UP
Make and model: Boeing 747123
Aircraft serial: 20323
Aircraft time: 72,316 hours, 20,588 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:C-2 NOSE W/W TUNNEL - LT BS 300 VERTICAL BEAM WEB BETWEEN 1ST & 2ND CLIP (COUNT FROM TOP) FOUND CRACK AT LOWER STAND OFF HLE APPROX .375 & .25 INCH LONG. LT BS 300 VERTICAL BEAM WEB REPLACED AS PER SRM 51-10-01 & 51-30-02.