# AD 91-14-07: Toilet Door Hinge Pin

- Type: Airworthiness directive
- Status: Current
- Products: Saab AB, Saab Aerosystems SAAB 340B
- Effective: August 6, 1991
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-7048
- Docket: 91-NM-48-AD
- Registered aircraft: 58 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BA7977207CD32A8286256A1F0053383F.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/91-14-07

## The airworthiness directive

91-14-07 SAAB-SCANIA: Amendment 39-7048. Docket No. 91-NM-48-AD. Applicability: Certain Model SAAB 340B series airplanes, as listed in SAAB Service Bulletin 340-52-013, Revision 1, dated December 18, 1990, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent loss of the forward toilet service door during flight, and subsequent damage to the propeller, wing, or empennage, accomplish the following:

A. Within 500 hours time-in-service after the effective date of this AD, perform a one-time inspection for correct installation of the hinge pin, in accordance with SAAB Service Bulletin 340-52-013, Revision 1, December 18, 1990, and accomplish the following:

1. If the hinge pin is installed correctly, prior to further flight, replace the latches and reinforce the forward toilet service door in accordance with the service bulletin.

2. If the hinge pin is installed incorrectly, prior to further flight, replace the latches, reinforce the forward toilet service doors, remove the hinge pin, and repair and reinstall the hinge pin, in accordance with the service bulletin.

B. An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

D. The inspection, repair, replacement, and reinforcement requirements shall be done in accordance with SAAB Service Bulletin 340-52-013, Revision 1, dated December 18, 1990. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from SAAB-Scania AB, Product Support, S- 581.88, Linkoping, Sweden. Copies may be inspected at the FAA, Transport Airplane Directorate, Renton, Washington; or at the Office of the Federal Register, 1100 L Street N.W., Room 8401, Washington, D.C.

This amendment (39-7048, AD 91-14-07) becomes effective on August 6, 1991.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A52EU](https://openairdocs.org/tcds/A52EU): Saab AB; names 1 of 2 models: SAAB 340B

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 58 (58 by airframe model, 0 by engine model)
- Makers: Saab-Scania 42, Saab 15, Saabscania 1

Models with the most aircraft:

- [Saab-Scania SAAB 340B](https://openairdocs.org/model/saab-scania-saab-340b): 42 aircraft (airframe model)
- [Saab SAAB 340B](https://openairdocs.org/model/saab-saab-340b): 15 aircraft (airframe model)
- [Saabscania SAAB 340B](https://openairdocs.org/model/saabscania-saab-340b): 1 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/91-14-07/models.md
Every aircraft: https://openairdocs.org/ad/91-14-07/aircraft.md

Its text cites no advisory circulars or STCs.

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