Service difficulty report · Frame · Boeing 7572Q8

Difficulty date
December 9, 2015
Submitted
December 14, 2015
Operation
Air carrier
Aircraft
N434BC
Make and model
Boeing 7572Q8
Aircraft serial
33961
Aircraft time
29,224 hours, 17,053 cycles
Part
Frame
Condition
Dented
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

WHILE WORKING NRC 100-41, DISCOVERED 2 EA DENTS ON AFT CARGO FRAME BS 1320 BETWEEN STR 24R AND STR 26R. CUTOUT 2 EA DAMAGED AREAS AT BS 1320 BETWEEN STR 24R & 26R IAW SRM 53-00-07, REPAIR 5. DIMENTIONS OF BOTH CUTOUTS W=1.0 " X L=1.125" X 0.5"R ORIGINAL MATERIAL THICKNESS .071". ACCOMPLISHED REPAIR IAW SRM 53-00-07, REPAIR 5. REPAIR IS CAT B, ZONE 1 WITH THRESHOLD INSPECTION TO START AT 50000 F/C & REPEAT INSPECTION EVERY 12000 F/C THEREAFTER USING HFEC & DETAILED INSPECTION. ACFT IS CURRENTLY AT 17053 F/C REF. SRM 53- 00-07, REPAIR 5, FIG 201, TABLE II, PAGE 210. INSTALLED ID TAG IAW PS 900-5-1, NR 04.

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