Examine the Engine Mount Bolts [IAE]
TASK 71-00-20-200-010-A
Examine the Engine Mount Bolts
1. Reason for the Job
This task gives the procedure for the inspection of the engine mount bolts with the engine removed from the aircraft.
2. Job Set-up Information
A. Consumable Materials
B. Referenced Information
3. Job Set-up
Subtask 71-00-20-110-050-A ** ON A/C NOT FOR ALL
Subtask 71-00-20-230-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:28:38 UTC
Examine the Engine Mount Bolts
1. Reason for the Job
This task gives the procedure for the inspection of the engine mount bolts with the engine removed from the aircraft.
2. Job Set-up Information
A. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V02-174) | cotton wool swab |
| (Material No.V02-175) | brush |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 70-11-50-100-802-A | Local Swab or Wipe Cleaning with Solvent |
| TASK 70-23-05-230-010-A | Local Application of Fluorescent Penetrant Inspection |
Subtask 71-00-20-110-050-A ** ON A/C NOT FOR ALL
A. Clean the engine mount bolts
(1) Clean the engine mount bolts by (Ref. AMM TASK 70-11-50-100-802).
(2) If the engine mount bolts are unusually dirty or greasy, clean them with a brush (Material No.V02-175) made moist with a solvent from (Ref. AMM TASK 70-11-50-100-802).
(3) Clean the threads of the bolts with cotton wool swab (Material No.V02-174) made moist with a solvent from (Ref. AMM TASK 70-11-50-100-802).
4. Procedure(1) Clean the engine mount bolts by (Ref. AMM TASK 70-11-50-100-802).
(2) If the engine mount bolts are unusually dirty or greasy, clean them with a brush (Material No.V02-175) made moist with a solvent from (Ref. AMM TASK 70-11-50-100-802).
(3) Clean the threads of the bolts with cotton wool swab (Material No.V02-174) made moist with a solvent from (Ref. AMM TASK 70-11-50-100-802).
Subtask 71-00-20-230-050-A ** ON A/C NOT FOR ALL
A. Do a local high or ultra-high sensitivity fluorescent penetrant inspection of the engine mount bolts (Ref. AMM TASK 70-23-05-230-010).
(1) If an engine mount bolt is cracked, reject it.
(1) If an engine mount bolt is cracked, reject it.