Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
May 12, 2021
Submitted
June 16, 2021
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
74,727 hours, 43,976 cycles
Part
Attach Angle
Condition
Corroded
Location
Bs 727d Lbl 6
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 ATTACH ANGLE AT AFT CARGO BAY BS727D+10 LBL6 WL151. ; / CORRECTION TO STEP 7; SHOULD BE AMM NOT SRM.;INSTALLED ATTACH ANGLE BS 727D+ 10; LBL 6;WL 151 PER SRM51-40-02-0G-0; DWG 146A7730.;PRIMERED ATTACH ANGLE PER SRM 51-21-72-370-804; OK TO INSTALL.;REMOVED ATTACH ANGLE IN ACB BS 727D+10 LBL6 WL151 IAW SRM 51-40-02.;REFERENCE ESR:21-01944. FABRICATED ATTACH ANGLE AT BS727D+10; LBL6 WL151 USING BAC1493-672#7075-T62; LOT# 1370754-1; PER SRM 51-40-05-0G-0; DWG 146A7730; DWG 146A7734. APPLIED A CHEMICAL CONVERSION COATING PER AMM 51-21-41-370-802.;VERIFIED MEASUREMENT TABLE; ATTACH ANGLE FOUND TO BE OUT OF LIMITS AND REPLACEMENT PART PER SRM 51-10-02-0G;EVALUATED CORROSION ON ATTACH ANGLE BS727D+10 LBL6 WL151 FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM51-10-02-0G-0;REMOVED ENGINEERING ROW DUE TO ENGINEERING NOT REQUIRED;UPDATED MEASUREMENT TABLE;VERIFIED PRIMERED ATTACH ANGLE PER AMM 51-21-72-370-804; OK TO INSTALL.;VERIFIED INSTALL OF ATTACH ANGLE BS 727D+ 10; LBL 6;WL 151 PER SRM51-40-02-0G-0; DWG 146A7730.;VERIFIED STEP 5.

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