Special Detailed Inspection (HFEC) of Fuselage Skin External Surface at Water Service Panel Cutout, between FR 65 and FR 66 at and Below Stringer 37, ...

TASK 53-41-00-220-809-A
Special Detailed Inspection (HFEC) of Fuselage Skin External Surface at Water Service Panel Cutout, between FR 65 and FR 66 at and Below Stringer 37, ...

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

ZONE: 100

1. Reason for the Job
Refer to the MPD TASK: 534125-01
SPECIAL DETAILED INSPECTION (HFEC) OF FUSELAGE SKIN EXTERNAL SURFACE AT WATER SERVICE PANEL CUTOUT, BETWEEN FR 65 AND FR 66 AT AND BELOW STRINGER 37, TWO UPPER RIVET ROWS AT SKIN TO REINFORCEMENT JOINT, 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.
The information on weight variant groups is given in the MPD and SRM introductions.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE

B. Consumable Materials

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

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
100	LOWER HALF FUSELAGE INCLUDING RADOME

D. Referenced Information

REFERENCE	DESIGNATION
SRM 511100
SRM 512200
SRM 512300
SRM 512400
NTM 534125
External Surface of Fuselage Skin at the Water-Service Panel Cutout, LH ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 53-41-00-010-201-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below the inspection area.

Subtask 53-41-00-860-090-A ** ON A/C NOT FOR ALL

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 a Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Remove the sealant and/or paint from the inspection area if this is necessary for the Non-destructive Testing Manual (NTM) task.

4. Procedure
Subtask 53-41-00-220-088-A ** ON A/C NOT FOR ALL

A. Inspection
(1) Do a special detailed inspection of the two upper rivet rows at the skin to the reinforcement joint, between FR 65 and FR 66 on/below stringer 37, left side, for damage or discontinuities.
(a) Do this on the areas of the external surface of the fuselage skin around the rivet head at the water-service panel cutout.
Refer to NTM 534125.
(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 damage types, classification and corrective action.
(c) Paint layer damage:
If you find this type of damage, refer to the Structural Repair Manual ( SRM 512300) for general data for paint layers.

Subtask 53-41-00-370-072-A ** ON A/C NOT FOR ALL

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 53-41-00-410-197-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:29:19 UTC