Service difficulty report · Fitting · Boeing 76734AF

Difficulty date
January 17, 2011
Submitted
January 31, 2011
Operation
Air carrier
Aircraft
N304UP
Make and model
Boeing 76734AF
Aircraft serial
27242
Aircraft time
40,972 hours, 13,205 cycles
Part
Fitting
Part number
145T19291
Condition
Cracked
Location
Lt Bs 955
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

INSPECTION TYPE:C, LT BS 955 REAR SPAR BULKHEAD FITTING AREA WAS FOUND CRACKED ON 4 O/C AND 5 O/C POSITION APPROX I/8" IN LENGTH AND FOUND CORROSION AROUND HOLE AT TEE FITTING. TEE FITTING REPLACED & INSTALLED IAW SRM 51-10-02, REV 49 & EO B767-5350-17922-H APPENDIX 'C' ORG MAT'L BAC1505-100900-7075T73511 CRACK LENGTH .1250" AT 4 O/C & 5 O/C POSITION CORROSION JUST AROUND FASTENER HOLE. A NEW FITTING REPLACEMENT MUST BE INSTALLED IAW EO B767-5350-17922-H, APPENDIX 'C'.

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