Service difficulty report · Shield · 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
Shield
Condition
Corroded
Location
Bs 430 Rbl 21
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 SHIELD IN FWD CARGO BAY FORWARD OF DOOR BS430 RBL 21 WL 156 ; / [01] UPDATED MEASUREMENT TABLE; [02] 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] VERIFIED CORROSION OUT OF LIMITS AND PART TO BE REPLACED PER SRM 51-10-02; [04] REMOVED SHIELD; BS 420-440; RBL 21; WL 156 PER SRM 51-40-02-0G-0.; [05] LOCATED AND DRILLED NEW SHIELD AT FCB BS430 RBL21 WL156 PER SRM 51-40-05-0G AND DWG 143A0080.; [06] VERIFIED LOCATE AND DRILL UP OF NEW SHIELD PER SRM 51-40-05 AND DWG 143A0080.; [07] UPDATED PARTS TABLE; [08] OK TO INSTALL SHIELD; [09] OK TO INSTALL; [10] INSTALLED FWD CARGO BAY FORWARD OF DOOR SHIELD IAW SRM 51-40-02-0G-0; DWG # 143A0080; [11] VERIFIED INSTALLED FWD CARGO BAY FORWARD OF DOOR SHIELD IAW SRM 51-40-02-0G-0; DWG # 143A0080; [12] CORRECTED MEASUREMENT TABLE; [13] CERTIFIED STEP 1

More about the Boeing 737-7H4