SDR QOCF2012F00016

Service difficulty report · Web · Boeing 747400

Difficulty date: August 16, 2011
Submitted: November 25, 2011
Operation: Air carrier
Aircraft: N16406
Make and model: Boeing 747400
Aircraft serial: 27898
Aircraft time: 76,643 hours, 13,613 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 65B07942392
Condition: Cracked
Location: Zone 100
Part time: 76,643 hours, 13,613 cycles
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

(B-16406) DURING D03 CHECK , CRACK WAS FOUND ON THE NOSE WHEEL WELL RT SIDE WEB BETWEEN STA 260 AND 280, WL 180. THE DAMAGED WEB WAS TRIMMED OUT AND A NEW WEB WAS SPLICED. THIS IS A CATEGORY B REPAIR IAW SRM 51-00-06. ACCOMPLISH POST REPAIR INSP USING THE METHOD, THRESHOLD, AND INTERVALS IAW SRM 53-10-14, FIG 201, REPAIR 4, TABLE 202.

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