Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
June 9, 2021
Submitted
July 16, 2021
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
54,253 hours, 32,244 cycles
Part
Support Angle
Condition
Corroded
Location
Fuselage
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 TRACK SUPPORT ANGLE AT AFT CARGO BAY BS848 RBL13 WL160. ; / [01] ACB TRACK SUPPORT ANGLE BS 848; RBL 13 HAS NO ALLOWABLE DAMAGE LIMIT ON SRM; REPAIR BY REPLACEMENT PER SRM 51-10-02-0G-0 STEP 9.C<BR><BR>REMOVED TRACK SUPPORT ANGLE BS 848;RBL 13 PER SRM 51-40-02.; [02] VERIFIED APPLICABILITY SRM 51-10-02-0G-0.<BR>VERIFIED ACB TRACK SUPPORT ANGLE BS 848; RBL 13 HAS NO ALLOWABLE DAMAGE LIMIT ON SRM; REPAIR BY REPLACEMENT PER SRM 51-10-02-0G-0 STEP 9.C.; [03] LOCATED; DRILLED; DEBURRED NEW SUPPORT ANGLE AND INSTALLED PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A0083; DWG 146A7500.; [04] LOCATED; DRILLED; DEBURRED NEW SUPPORT ANGLE AND INSTALLED PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A0083; DWG 146A7500. VERIFIED INSTALLATION COMPLETED.; [05] LOCATED; DRILLED; DEBURRED NEW SUPPORT ANGLE AND INSTALLED PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 146A0083; DWG 146A7500. VERIFIED INSTALLATION COMPLETED.

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