SDR FDEA200908012863

Service difficulty report · Frame · Boeing 75721B

Difficulty date: August 1, 2009
Submitted: August 3, 2009
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 52,447 hours, 30,243 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Part number: 146N10115
Condition: Corroded
Location: Zone 100
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

AT BS 1400 STR 24L TO 26L FRAME CORRODED AND DAMAGED. CORROSION ON FRAME FOUND EXCEEDED SRM ALLOWABLE DAMAGE LIMITS. REPAIR CARRIED OUT IAW SRM 53-00-07 REV 97, FIG 201 DETAIL III. TO RE-INSPECT REPAIR AT 37,500 FC AND REPEAT AT 12,000 FC INTERVAL. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

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