Service difficulty report · Web · Boeing 7377H4

Difficulty date
August 11, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N755SA
Make and model
Boeing 7377H4
Aircraft serial
27871
Aircraft time
74,723 hours, 44,099 cycles
Part
Web
Condition
Corroded
Location
Bs 773
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 WEB AT AFT CARGO BAY BS773 RBL20 WL157 ; / [01] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED WEB BS 767-787 RBL20; WL 157 PER SRM 51-40-02-0G-0.; [04] RECEIVED NEW WEB P/N: 146A8123U19 AT AFT CARGO BAY BS 773 RBL 20 WL 157. <BR>LOCATED AND DRILLED NEW WEB IAW. SRM 51-40-05 AND DWG:146A0081. <BR>REQUEST OK TO INSTALL NEW WEB.; [05] VERIFIED CORRECTIVE ACTION 4. <BR><BR>OK TO INSTALL NEW WEB.; [06] INSTALLED NEW WEB P/N: 146A8123U19 AT AFT CARGO BAY BS 773 RBL 20 WL 157. IAW. SRM 51-40-02 AND DWG:146A0081; [07] INSTALLED NEW WEB P/N: 146A8123U19 AT AFT CARGO BAY BS 767-787; RBL 20 WL 157. IAW. SRM 51-40-02 AND DWG:146A0081; [08] VERIFIED CORRECTIVE ACTIONS 6-7<BR><BR>WEB INSTALLED; [09] WEB AT ACB BS773; RBL20; WL157 REPLACED. <BR><BR>NO FURTHER ACTIONS REQUIRED.

More about the Boeing 737-7H4