Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 11, 2021
Submitted
June 17, 2021
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
74,727 hours, 43,976 cycles
Part
Frame
Condition
Corroded
Location
Bs 947
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 FRAME AT AFT CARGO BAY BS947 RBL16 WL178. ; / EVALUATED CORROSION ON BS 947 FRAME RBL16 WL 178; FOUND 0.015 REMOVED FROM ORIG 0.063 IN A 1'X2' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-00-07-1A-1 USED MICROMETER ID4566A S/N UNKNOWN;LOCATED AND DRILLED NEW 947 FRAME STR 23R TO 23L PER SRM 51-40-05-0G-0 AND DRAWING 147A1047 OK TO INSTALL;REMOVED 947 BILGE FRAME STR 23R TO 23L PER SRM 51-40-02-0G-0;VERIFIED INSTALLED 947 FRAME STR 23R TO 23L PER SRM 51-40-02-0G-0 DWG 147A1047 DWG 147A0040 DWG 147A7410.;VERIFIED LOCATE AND DRILL OF NEW 947 FRAME PER SRM 51-40-05 AND DWG 147A1047; OK TO INSTALL;BEGAN INSTALLINGBS 947 FRAME PER SRM 51-40-02-0G-0 AND DWG 147A1047;INSTALLED 947 FRAME STR 23R TO 23L PER SRM 51-40-02-0G-0 DWG 147A1047 DWG 147A0040 DWG 147A7410;VERIFIED CORROSION ON BS 947 FRAME RBL16 WL 178; FOUND 0.015 REMOVED FROM ORIG 0.063 IN A 1'X2' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-00-07-1A-1 USED MICROMETER ID4566A S/N UNKNOWN

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