Special Detailed Inspection (HFEC) of Rivet Holes in Floor Cross Beam Attachment to FR 47.3 and FR 47.4 between STGR Position 23 and 24, LH/RH

TASK 53-41-00-220-819-A
Special Detailed Inspection (HFEC) of Rivet Holes in Floor Cross Beam Attachment to FR 47.3 and FR 47.4 between STGR Position 23 and 24, LH/RH

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

ZONE: 250

1. Reason for the Job
Refer to the MPD TASK: 534182-01
SPECIAL DETAILED INSPECTION (HFEC) OF RIVET HOLES IN FLOOR CROSS BEAM ATTACHMENT TO FR C47.3 AND C47.4 BETWEEN STRINGER POSITION P23 AND P24 (LH/RH).

NOTE: The effectivity of this task is ALL. To know, if this task is applicable for your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.

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
250	AFT PASSENGER COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-55-11-000-002-A	Removal of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59
TASK 25-55-11-400-002-A	Installation of the Ceiling Panels in the Aft Cargo-Compartment - FR47/FR59
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-004-A	Close the FWD or Aft Cargo-Compartment Door with the Hand Pump
SRM 511100
SRM 512200
NTM 534182
SRM 51730000	(for corrective action)
SRM 51740000	(for corrective action)
SRM 53001202	(for corrective action)
Inspection Areas of the Attachment of the Floor Cross Beam to FR 47.3 and FR 47.4, between STGR 23 and STGR 24

3. Job Set-up
Subtask 53-41-00-010-212-A

A. Get Access
(1) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
(2) Remove the applicable linings (Ref. AMM TASK 25-55-11-000-002).

Subtask 53-41-00-110-173-A

B. Preparation of the Inspection Area
(1) Make sure that the inspection areas are sufficiently clean to do a satisfactory inspection.

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

(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) Make sure that the inspection areas are dry before you continue.

4. Procedure
Subtask 53-41-00-220-098-A

A. Special Detailed Inspection
(1) Do the special detailed inspection (HFEC) of the rivet holes in the attachment of the floor cross beam to FR 47.3 and FR 47.4, between STGR 23 and STGR 24, LH/RH, NTM 534182.
(2) Write a report if you find damage during the inspection procedure.
(3) If you find damage:
(a) Refer to the ASRM SRM 511100 for the class of damage.
(b) If you find corrosion damage:

Refer to the ASRM SRM 512200 for the general corrosion data
Refer to the ASRM SRM 51740000 for the repair of the corroded areas.

Refer to the ASRM SRM 51730000 for the repair of the minor damage
Refer to the ASRM SRM 53001202 for the correct repair procedure.

5. Close-up
Subtask 53-41-00-410-208-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable linings (Ref. AMM TASK 25-55-11-400-002).
(3) Close the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-004).

[Rev.10 from 2021] 2026.04.02 06:29:20 UTC