Special Detailed Inspection (HFEC) of Windshield Side Post at FR 4, Lower Attachment Four Horizontal Stiffeners, Internal Side, LH

TASK 53-11-00-250-811-A
Special Detailed Inspection (HFEC) of Windshield Side Post at FR 4, Lower Attachment Four Horizontal Stiffeners, Internal Side, LH

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 210

1. Reason for the Job
Refer to the MPD TASK: 531136-02
SPECIAL DETAILED INSPECTION (HFEC) OF WINDSHIELD SIDE POST AT FR 4, LOWER ATTACHMENT FOUR HORIZONTAL STIFFENERS, INTERNAL SIDE, LH.

NOTE: The effectivity of this task is "ALL". To know if this task is applicable to your aircraft, refer to the MPD task applicability.

2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
211PW

C. Referenced Information

REFERENCE	DESIGNATION
TASK 56-12-11-010-001-A	Opening of the Cockpit Sliding Windows
TASK 56-12-11-410-001-A	Closing of the Cockpit Sliding Windows
SRM 511100
SRM 512200
NTM 531136
SRM 512300	(for corrective action)
SRM 512400	(for corrective action)
Linings of the Lower Area of the Side Post at FR 4
Lower-Attachment Four Horizontal Stiffeners, Internal Left Side

3. Job Set-up
Subtask 53-11-00-010-140-A

A. Get Access
(1) Open the cockpit sliding window (Ref. AMM TASK 56-12-11-010-001).
(2) Remove lining panel 211PW:
(a) Remove the screws (3) and the washers (2).
(b) Loosen the fastener (1).
(c) Remove lining panel 211PW.

Subtask 53-11-00-110-158-A

B. Preparation of the Inspection Area
(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Remove the sealant and/or paint from the inspection area if this is necessary for the Nondestructive Testing Manual (NTM) task.

4. Procedure
Subtask 53-11-00-250-076-A

A. Inspection
(1) Do a special detailed inspection of the internal side of the four horizontal stiffeners at the lower attachment of the windshield side post. Do this inspection for damage or discontinuities on the left side at FR 4 NTM 531136.
(2) Make a report of the damage after the NTM inspection:
(a) Corrosion damage:
If you find corrosion, refer to the Structural Repair Manual ( SRM 512200) for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual ( SRM 511100) for the damage types, classification and corrective action.

Subtask 53-11-00-916-084-A

B. Sealant or Paint Application
(1) If the NTM procedure asked to remove the sealant and/or paint from the inspection area, apply sealant ( SRM 512400) or paint ( SRM 512300) on the inspection area.

5. Close-up
Subtask 53-11-00-410-139-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install lining panel 211PW:
(a) Put lining panel 211PW in position.
(b) Tighten the fastener (1).
(c) Install the washers (2) and the screws (3).
(d) Tighten the screws (3).
(3) Close the cockpit sliding window (Ref. AMM TASK 56-12-11-410-001).

[Rev.10 from 2021] 2026.04.02 06:28:41 UTC