SDR DALA2016042003172

Service difficulty report · Intercostal · Boeing 75726D

Difficulty date: April 16, 2016
Submitted: April 22, 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 1300-1320
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 BILGE INTERCOSTAL LOWER FLANGE BETWEEN BS 1300-1320 LBL-17. REMOVED CORROSION IAW SRM 53-00-04, FIG 101 AD 1, PG 103. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-04, FIG 101, DETAIL II, AD 1 PG 103. R & R THE INTERCOSTAL IAW SRM 51-40-02 GENERAL AND DWG NR 146N5700.

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