Service difficulty report · Shim · Boeing 757204

Difficulty date
February 19, 2013
Submitted
March 12, 2013
Operation
Air carrier
Aircraft
N927FD
Make and model
Boeing 757204
Aircraft serial
27220
Aircraft time
65,146 hours, 23,073 cycles
Part
Shim
Part number
311N50211
Condition
Migrated
Location
Nr 1 Pylon
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

NR 1 PYLON UPPER SPAR FITTING, SHIM MIGRATED, UPPER AND LOWER SHIMS AFTER FURTHER EVALUATION FOUND VERTICAL SHIM MIGRATION UPPER = 0.150 AND LOWER =0.009 (FWD & AFT). HORIZONAL SHIM NO MIGRATION NOTED, FOUND WITHIN LIMITS IAW SRM 54- 50-90 PAGE 201, FIG 201 REPAIR 6. TRIMMED VERTICAL SHIM MIGRATION IAW SRM 54-50-90, PAGE 201, FIG 201. PRIMED AREA IAW SRM 54-50-90, REPAIR 6 AND APPLIED SEALANT TO THE SURROUNDING SURFACES AND EDGES OF THE SHIM IAW SRM 54-50-90 REPAIR 6, STEP 6C.