SDR DALA2016030401791

Service difficulty report · Frame · Boeing 75726D

Difficulty date: February 2, 2016
Submitted: March 9, 2016
Operation: Air carrier
Aircraft: N821DX
Make and model: Boeing 75726D
Aircraft serial: 33961
Aircraft time: 29,224 hours, 17,053 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Corroded
Location: Bs 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 FUSELAGE FRAME AT AFT CARGO COMPARTMENT, BS 1320, FWD SIDE, BETWEEN STR 27R AND 28R. REMOVED CORROSION ON FRAME AT BS 1320, STR 27R-28R IAW SRM 53-00-07, FIG 101. ORIGINAL MATERIAL THICKNESS .071" IAW SRM 53-60-07, FIG 1 AND DWG 146N1028. MATERIAL LOSS .044". FOUND OUT OF LIMITS IAW SRM 53-00-07, FIG 101, ALLOWABLE DAMAGE 1, DETAIL II. ACCOMPLISHED REPAIR IAW ER/A 541049-14AD, REV ORIGINAL.

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