SDR DALA2016040802774

Service difficulty report · Intercostal · Boeing 75726D

Difficulty date: April 2, 2016
Submitted: April 11, 2016
Operation: Air carrier
Aircraft: N762BC
Make and model: Boeing 75726D
Aircraft serial: 33966
Aircraft time: 28,319 hours, 16,502 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1200-1220
Stage of operation: IN
How discovered: 9
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

CORROSION ON AFT CARGO LT INTERCOSTAL UPPER ANGLE BETWEEN BS 1200 - 1220, LBL 24.5 JUST BELOW OTBD SIDE OF LT TRANSITION PANEL. REMOVED UPPER ANGLE IAW SRM 51-40-02, PG 1-10. LOCATED AND DRILLED UPPER ANGLE ON INTERCOSTAL IAW DWG 146N5390. INSTALLED NEW UPPER ANGLE ON INTERCOSTAL IAW SRM 51-40-02. PREVIOUS UPPER ANGLE FOUND 100 PERCENT EXFOLIATED AND OUT OF LIMITS, REF SRM 53-00-53, FIG 101, DET V.

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