Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
January 6, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N8519R
Make and model
Boeing 7378H4
Aircraft serial
36910
Aircraft time
20,262 hours, 9,764 cycles
Part
Attach Angle
Part number
NOTENTERED
Part serial
NOTENTERED
Condition
Corroded
Location
Zn 100 Fus Lower
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 AFT CARGO BAY ATTACH ANGLE UNDER SHIELD HAS MULTIPLE AREAS UNDER NUT PLATES BS767 TO BS787 RBL21 WL156<[01] UPDATED MEASUREMENT TABLE FOR PICTURE OF CORROSION ATTACHED STEP 20;[02] CORROSION ON ANGLE WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.;[03] VERIFIED CORRECTIVE ACTION 2 AND THE MEASUREMENT TABLE.;[04] REMOVED ACB ATTACH ANGLE UBDER SHIELD; FWD OF DOOR; BS767-787 RBL 21; IAW SRM 51-40-02-0G-0.;[05] LOCATED AND DRILLED AFT CARGO BAY ATTACH ANGLE UNDER SHIELD BS 767 TO 787 RBL 21 WL 156 IAW SRM 51-40-05-0G-0 AND DWG 146A8123;[06] VERIFIED CORRECTIVE ACTION 5.;[07] INSTALLED AFT CARGO BAY ATTACH ANGLE UNDER SHIELD BS 767 TO 787 RBL 21 WL 156 IAW SRM 51-40-05-0G-0 AND DWG 146A8123;[08] VERIFIED CORRECTIVE ACTION STEP 7.;[09] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

More about the Boeing 737-8H4