SDR FDEA201305311153

Service difficulty report · Stringer Fitting · Boeing 75728A

Difficulty date: May 31, 2013
Submitted: May 31, 2013
Operation: Air carrier
Aircraft: N970FD
Make and model: Boeing 75728A
Aircraft serial: 28166
Aircraft time: 61,321 hours, 19,363 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer Fitting
Part number: 146N88491
Condition: Corroded
Location: Bs 1720
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

LOWER LOBE STR 26L AFT END ATTACHMENT FITTING HAS CORROSION BS 1720. REMOVED CORROSION ON STRINGER 26L END FITTING IAW SRM 51-10-02, ORIGINAL THICKNESS .090, REMAINING THICKNESS .066, NO SRM ALLOWABLE LIMITS. R & R END FITTING IAW DWG 146N8849, SH 1 REV- AND SRM-51-40-02, CAT."A" MAJOR REPAIR.

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